31.03.2011., četvrtak
Notebook maintenance
|
As laptop products is high integration and precision components, fault judging measures and means directly affect the processing and maintenance efficiency, adopt appropriate thoughts and methods, more effective fast to process problems, reduce recessive fault occurs. Note: before dissembling 1 Before dismantle turn off the Apple A1189 power, and tear down all peripheral devices, such as the AC adapter the power cord external battery PC card and other cable, etc.; Because when the power is off, some closed circuit device is still in tasks, such direct remove might trigger some lines of grinding bad. 2 when removed the power cord and battery, turn on the power switch, a minute after then close. To release internal dc power . 3 disconnect AC adapter, remove the PC card floppy disk on cd-rom; And then to link them. 4 with the correct way to dissect laptop computer IBM ThinkPad X200. 5 don't cause people to computer injury. 6 remove all kinds of cable (wires), don't directly, while holding pulling its port, again carries on the column of disassembly. 7 don't oppression floppy or hard drive cd-rom. 8 when installation, removable instead program. In accordance with 9 maintenance personnel should wear a corresponding appliances (such as electrostatic ring, etc.). Attention of dismantling demand 1 first remove laptop HP Pavilion DV4, when demand for the absolute carefully the disassembling must be careful observation, parts removal order installation position clear, when necessary, pen down steps and points. When using appropriate tools , such as tweezers, using tools such as unnecessary. But also want to be careful not to damage caused by human computer. 3 remove all kinds of cable (wires), don't directly to clear pulling, how is the port of agreement, then begin, and not to force too much. 4 as laptop many components are material is plastic, so remove encountered such parts the strength should be soft, not too hard. 5 don't oppression hard disk floppy disk or cd-rom. 6 because many of components or HP DV4 notebook accessories, such as screw very little, so strict springs, and the status of each component record, the size of the connected accessories such as position is very important, the dismantled parts, to improve the press kind of palletising is maintenance efficiency to assist. 7 finally installed accordance with records, according the opposite of remove program |
Acer Aspire One ZG5 Laptop keyboard and mouse can't identify solutions
|
Use mobile HDD to install sp4 patches for Acer Aspire One ZG5 Notebook (Windows 2000 Pro system), in the installation process found speed slowly and want to cancel, click cancel operation no response, then plucked hard disk from the USB port, turn off notebook power. To restart after the launch, mouse, cannot find ,keyboard also no response! What happened? To restart. But after the restart n times it was still the same results To ensure not Acer One ZG5 hardware problems caused the problem , after startup, enter notebook F2 to get into CMOS, eliminate the keyboard hardware damaged possible. set as CD guide start ,insert WIN7 installation disk to repair, but the notebook is too old, and cd-rom already can't work. with mobile hard install, smoothly enter WIN7 installation interface, it appears that this USB is good! Choose repair installation, GO! Well, what happened? Clew WIN7 system cannot normal installation! Retry n times is still the hateful hints. So have to prepare formatting reinstall it. To backup important document . A lot of documents that need to be in DOS backup , really is a huge project. After backup and to try hard disk edition repair! Ha ha, good, this did not meet the hateful tips. Repair installation is completed, restart, looking at the Aspire One ZG5 screen, the cute mouse finally came and try keyboard, ok, K.O. |
30.03.2011., srijeda
What to do when forget IBM ThinkPad X200 password
|
Somebody hopes to be able to use usb keys, so do IBM ThinkPad X200 boot with U disk replace traditional this password. General password and cannot fully protect computer access control by oneself, and easy to be cracked. But with the U disk boot key words, only insert U plate can enter system, the following are some of the method with U disk boot. U dish to do as boot key operation method: 1. First on the other IBM X200 dish root directory,not C, such as D: root directory text documents and new input “@echo off if not exist H:pass.bat shutdown -s -t 0 ” no Don't enter quotes Then preservation document, and renamed u disk boot. Bat. The documents invoke shutdown. If the system without.exe in this document, that can download this file into system32 directory of the C. This role is in no insert U disk boot key automatically shutdown. 2. Insert U disk, at this time the usb display for H: , will pass. Bat copied to U disk. If the show is not H but G or other, that would be necessary to bat files inside of H: into G: or other. 3. Put the ThinkPad X200 hard disk pass. Copying files shortcut to bat system startup item menu, and then put operation method to "minimize" 4. Can the hard disk and U plate inside pass. Bat file attributes to hide and readable.So it can use the usb keys, only do boot insert U disk will instead of this password. With U disk boot can very good control computer access |
How to solve Apple A1189 "the memory cannot read"
|
Every Apple A1189 user will meet the question "This memory can't read”. We generally use Windows system, and the memory is the core of the system, system in operation of need to use memory exchange, storage of data, when this exchange and storage appear mistake, "this would be prompted for memory can't read" information. Because the program is in operation can be modified memory data, so it's easy for us to meet "this memory can't read" problem. So the reason "the memory cannot read” is mainly lies in: 1. A1189 Hardware damage: such as memory damage, memory gold finger with besmirch, box, heat is bad 2. Software and system problem: software conflict, system files errors, computer poisoned, etc Analyses the reasons above, we solve the memory cannot by below a few for aspects of: 1. Ensure memory intact, can correctly transmission signal, memory gold finger without stain 2. Ensure the computer not infected 3. Try to use mature version of the software, not hardware as Apple A1189 Battery without practical beta software, maintaining system update, use a computer system required software, can remove not stable software, or update the software Finally solve the memory cannot read problem still can perform CMD: 1. Click "start", click "run" - input "CMD" 2. The pop-up CMD window in input: "for % 1 in (% windir % system32 *. Do regsvr32 DLL) j exe/s % 1", then press enter 3. Click "start", click "run" - input: "jscript. Regsvr32 DLL [3] regsvr32 vbscript. DLL", then press enter |
How to solve Apple A1189 "the memory cannot read"
|
Every Apple A1189 user will meet the question "This memory can't read”. We generally use Windows system, and the memory is the core of the system, system in operation of need to use memory exchange, storage of data, when this exchange and storage appear mistake, "this would be prompted for memory can't read" information. Because the program is in operation can be modified memory data, so it's easy for us to meet "this memory can't read" problem. So the reason "the memory cannot read” is mainly lies in: 1. A1189 Hardware damage: such as memory damage, memory gold finger with besmirch, box, heat is bad 2. Software and system problem: software conflict, system files errors, computer poisoned, etc Analyses the reasons above, we solve the memory cannot by below a few for aspects of: 1. Ensure memory intact, can correctly transmission signal, memory gold finger without stain 2. Ensure the computer not infected 3. Try to use mature version of the software, not hardware as Apple A1189 Battery without practical beta software, maintaining system update, use a computer system required software, can remove not stable software, or update the software Finally solve the memory cannot read problem still can perform CMD: 1. Click "start", click "run" - input "CMD" 2. The pop-up CMD window in input: "for % 1 in (% windir % system32 *. Do regsvr32 DLL) j exe/s % 1", then press enter 3. Click "start", click "run" - input: "jscript. Regsvr32 DLL [3] regsvr32 vbscript. DLL", then press enter |
29.03.2011., utorak
In Use HP Pavilion DV7 suddenly blank screen fault analysis
|
In use HP Pavilion DV7 suddenly blank screen, probably because viruses, system not set properly, software conflict problem is caused. Kunming computer nets summarized fault reasons and analytical listed below. 1.Software conflict caused computer suddenly blank screen Because the software in the production there might be all kinds of loopholes or will modify system files and service, cause installed new software, computer suddenly screen after when can restart press F8 to restore system to last the correct disposition, and completely remove installed software to solve the problem. Use software to use as far as possible through strict test software in order to avoid HP DV7 happening of this kind of circumstance. Sometimes the different software also can produce conflicts, such as antivirus software system collapses, clashes in image of software and graphics driver conflict, etc. Meet this kind of problem to software or driver updates, back to file Settings. 2. Mistake the screen saver for blank screen Pavilion DV7 Settings screen protection to protect displays and save electricity, have been boot but didn't do any operation, in use in the computer, then only need suddenly screen move the mouse or click on the keypad can restore system, and not really blank screen. 3. Virus attacks caused computer suddenly blank screen After some virus attack system files rapidly destroys, caused system damage and blank screen phenomenon. Then need to restart the computer into DOS, use anti-virus software to such jiangmin DOS overall, but also to the virus killing testing to prevent the virus residual again destroy computer system. |
The Locked touchpad cause Dell XPS M1210 laptop blank screen
|
Someone’s Dell XPS M1210 laptop screen blank after boot, he considered notebook whether hardware problems or not connect well, but sometimes just setting question, boot didn't find the correct method. The concrete laptop, blank screen expression is: light of power on, but the screen is black, any operations are no reaction, must be forced to restart can enter system shutdown. The reason caused this problem has two kinds commonly: 1.The touchpad locked caused notebook blank screen If when you lock Dell M1210 touchpad in the last time, then the boot will display blank screen, and we'll need to restart a to solve. You only need to press shortcuts Fn + F7 can normal boot, sometimes may be inadvertently lock the touchpad, in order to prevent it from happening again can lock again needless. 2. Computer sleep lead to blank screen If the computer into the sleep state, can save power will allow other hardware rest and only gives memory power supply. But according to boot keys but then screen, this is not what's wrong with the computer, but didn't use the correct method from sleep state XPS M1210 awakening. Then just press F7 or Fn + f5 can normal boot. |
28.03.2011., ponedjeljak
Why Dell Studio 1555 screen troubling fault
|
Fault phenomena: Dell Studio 1555 Screen always have lingering cannot then trouble clutter or fine black line and accompanied by "spluttered" murmurs. Breakdown view error: This breakdown phenomenon is a lot of people think the trouble to display power resistance caused by change, as long as poor several power supply filter capacitance can lay off, someone even considered switching power supply in the switch tube problems, these views are all wrong. Fault reasons and countermeasures: Its real fault reason is usually high Studio 1555 battery voltage mouth and high-pressure cap tube strike between appeared. Of course, the phenomenon also has a lot of maintenance personnel can quickly analyze this is due to the high voltage in the mouth, but have caused by strike many of the treatment measures are not quite right. Some people that would put the butter to high pressure to avoid happening again mouth with butter, though high Dell 1555 battery voltage spark to monitor what is no harm, but its compression value may not high, so is likely to give other maintenance personnel and user be shock hazard. Thus the best is to use "high-voltage silicon grease" to repair - increase in high-pressure silicon grease before using anhydrous alcohol makes high-pressure mouth cap clean (if any rust also derusting or change new cap) and use hair dryer drying. In addition, sometimes the Dell 1555 tube seat tube strike phenomenon will also appear in this fault phenomena, but it would also have image clarity of ups and downs, then just change can be done any tube seat! |
Why IBM ThinkPad X200S image vague fault
|
IBM ThinkPad X200S Fault phenomena: 1 IBM ThinkPad X200S boot image, vagued after using for a period of time, but gradually normal shutdown for a period of time,and after the boot failure will appear again, and it is day as one day, fault more and more serious; 2 boot image, use continuously vague after a long time also did not get better. Fault reasons and countermeasures: Usually when use IBM X200S sc-reens 2 years, will appear this kind of fault, the real failure causes most cases are caused by damp oxidation tube tube seat, just change your new tube seat can quality. But some say clear the faults in insert new tube seat before a plot of sand the console after bulgy tube tail feet away burnish clean, means, this practice oxide layer is lily. The change in the picture tube block, there are some really in tube feet, but these are some oxide is original tube seat oxide within the tube feet missing, but only in xiaomao brush a sweep can remove not seen. So far the feet are of oxide tube, but due to excessive force of the tube feet flat and worn the tube is met a few cases, so everyone don't use sand paper burnish, lest appear on "sex" death grinding bad! If change tube seat doesn't work will change ignition coil, but suggest you'd better find professionals! In addition, some type of visual put part of particular, sometimes it happen circuit fault, also can cause ThinkPad X200S image vague, but this time to usually brightness and line field amplitude are also have unusual, for such fault point the author suggest you entrust professional processing! |
25.03.2011., petak
How to prevent SONY VAIO PCG-5K1L notebook from blue!
|
As laptop users increasing, notebook small fault has become everybody's most headache problem. Even some small fault or conflict may also cause SONY VAIO PCG-5K1L laptop in use in blue, even will suddenly will restart automatically. Today we will have a look how to solve the problem. A: upgrade notebook BIOS Generally speaking SONY VAIO PCG-5K1L in the factory's time probably there are some flaws in the design, and manufacturers usually by upgrading BIOS method to solve these bugs. If we are in the process of using SONY PCG-5K1L brain met the blue, then we can take upgrade BIOS solution to a blue trouble. Concrete enforcement methods: first from the manufacturer's website and download BIOS refresh procedures and BIOS update files. Then run BIOS refresh software, and selecting the BIOS files (download download time must choose can adapt this model machine BIOS files, if flash files error will cause the machine can't work). Finally choose to "refresh" can automatically refresh BIOS. When the machine restart automatically refresh, and focused on information we can see BIOS version has been updated. Trick two: properly installed hardware driver The BIOS later, in refresh laptop still can appear blue part of such information, restart we will check whether a hardware driver not installed correctly, or a new installed hardware doesn't work. Enter the "my computer" - "control panel" - "system" - "device manager" notebook, check whether hardware not installed correctly or where there's a conflict. Concrete enforcement methods: if meet someone with a question mark on equipment, then we need to related hardware manufacturer's website go download the latest drivers, and get back to VAIO PCG-5K1L installation driver can. If meet after installing new hardware, and replace the machine has a blue driver invalid words, so probably is hardware itself or hardware driver and a laptop or operating system exists compatibility problems, we only need to remove the hardware or in "device manager" will this hardware disable can solve the problem. |
What’s the Laptop battery parameters display represents
|
Q: I just bought HP's HP Pavilion DV7 , the battery information in the BIOS options to see a lot of parameters, what these represent mean ah? A: HP at present relatively ,new machine such as 4200,6230,8230 and BIOS version of higher nc4000 6000,8000 BIOS, there are a few information, which is a very succinct code, these are actually represent some parameters. Models we tested, including nc6000/8000/4200/6220 so, for the relatively early 4000/6000/8000 may require you to upgrade to a newer bios can see the battery status before this one. BSN .......... battery serial number (battery SN) C1 .......... battery nominal capacity, unit: mAH (capability) C2 .......... battery's actual capacity, unit: mAH (capability) C3 .......... battery's current capacity, unit: mAH (capability) ME .......... maximum error limit (maximum error threshold) CC .......... number of charge cycles (cycle count) T ........... the current battery temperature (temperature) TV .......... current battery voltage, unit: mV (terminal voltage) C ........... current input current, unit: mA (current) DV .......... design output voltage, unit: mV (designed voltage) MN .......... manufacturer (manufactory) CV1 ......... see below (cell voltage) CV2 ......... see below (cell voltage) CV3 ......... see below (cell voltage) CV4 ......... see below (cell voltage) S ........... battery status code (status) Some parameters explains: C1, HP Pavilion DV7 Battery, the nominal capacity of the actual capacity battery C2, had these two data, when someone suspect the battery can only use a shorter time, through contrast C1, which can be judge whether the data C2 caused the problem because of battery, as shown in figure 1, because this NC8000 the actual maximum capacity of the battery had only 2000 +, less than half of the nominal capacity, so if full of electricity use only after 1 hour more, is very normal. ME, the biggest mistake can limit (threshold), initial state as freely as three, i.e. the battery can withstand the biggest mistakes should be 3 times. T, the current battery temperature, some people think their HP Pavilion DV4 Battery also within the scope of the replacement? If the temperature is about 40 degrees in even lower, please feel free to make it. C, current input current, as shown in figure 1, 2004, said current for battery in discharge status, current strength, as shown in figure 2, 2.004 A current for 1673, says the battery in charging status, current strength, as shown in figure 3, 1.673 A battery by external batteries, still the input current, battery power adapter for 0. DV, design output voltage (designed by), but the actual work than the high voltage, HP adapter output voltage 18.5 V. CV1 - CV4 refers to the corresponding core voltages, because each of these machines generally use HP six or eight core is the core of HP Probook 4710S Battery, so it should be two core of a group, as shown in figure 3, calculated voltage CV1 0, then explaining its only 3 groups, that is core with voltage battery, the six core core series, so each CV4 CV1 - the voltage is about equal to the combined should above current total voltage TV. |
Why Dell Studio 1555 Laptop battery explosion
|
Generally speaking, the current Dell Studio 1555 Battery themselves have good comprehensive protection. It not only form with multiple series / parallel batteries, the circuit board itself also contains two modules: Protection PCB module and Smart Battery Gauge Board module, a set of battery protection design includes first-level protection IC (to prevent battery over charge, over discharge, short circuit), the second-level protection IC (to prevent a second over-voltage), fuses, LED indication, temperature control and other components. In the multi-level protection mechanism, even the power charger, computer in an anomalous situation, the laptop battery can only be converted to automatic protection status, if the situation is not serious, often still work after re-plug, not explosion. According to analysis, Dell 1555 Battery explosion caused by a short circuit or overcharge, most likely when in lithium batteries manufacture, because the manufacturing process itself is flawed, leaving the existence of product safety problems that may occur at any time, such as the two poles that should be insulation but metal dust or copper foil and aluminum foil membrane perforation burr between it, resulting in micro short circuit. The former is the most serious, it will directly cause a short circuit, and a lot of heat, resulting in vaporization of some of the electrolyte, the battery cover stretch . In addition, there is a very special situation, power charger or computer due to special reasons, instantly to lithium battery provides the high voltage/strong currents which leads to serious overcharge, such as by recharging voltage mbm1260 V suddenly rises to 12.9 V is even higher then would have a high flow produce, battery charging circuit inside the recharge current should be cut off, but action because of lithium battery charge over voltage, over current protection function design is very weak, this may lead to battery protection IC damage, Making Studio 1555 Battery lose protection function and damaged, extremely chip after the overcharge around needle lithium metal crystallization, piercing point lead to several micro short circuit, cause the battery temperature gradually raised, until finally the battery explosion, fire of the phenomenon, which is now a lot of laptop battery "mess" main reasons. |
24.03.2011., četvrtak
Three criteria about purchase HP Pavilion DV7 Battery
|
HP Pavilion DV7 Battery is specially designed for the HP Pavilion DV7 Laptop. The replacement HP Pavilion DV7 laptop batteries are made with high quality safe parts and are guaranteed to meet or even exceed the original manufacturers specifications.But carefully, there are three criteria on purchasing: First, whether there is clearly marked "capacity": No clearly marked capacity (2200MAH, 4400MAH, 6600MAH, etc.), most likely is the use of inferior battery or "recycle" (foreigners used second-hand dolly), the price is cheap, but life is short, inconsistent quality careless use may damage your laptop! Second,whether there is guarantee of "standby time": "Standby time" mean that the HP DV7 Battery continuous use until the notebook last to the next charge,. Salesman can not guarantee that "standby time", can not guarantee that the battery is not equivalent to using "bad cell" or "recycle." Third, whether installation of "security protection circuit board": No "protection circuit board", the lithium may be deformation, leakage, risk of explosion. In the vicious price-cutting competition, lower prices for the protection of each circuit board, or simply omit the device, making the market filled with a blasting hazard of lithium Pavilion DV7 Battery. Users can not identify from the appearance of "protection circuit", complete oral businesses to rely on, it must choose to buy from reputable merchants. |
How to repaired your laptop battery Skillfully
|
Whether it’s possible to repair or re-use laptop batteries? In nowaday world, everyone is busy and wants to use the computer to make work simple, so the laptops become more and more popular. Laptop is a computer anytime, anywhere close along with hand. All the main features of laptop is notebook batteries’ backup. So a good Dell Studio 1555 laptop should have a good performance Dell Studio 1555 Battery. Because there is a lot of example that laptop battery can not be used and affect the normal use of laptop computers. In this case we need to repair those used laptop batteries. There is a little different between notebook batteries and other batteries. Dell 1555 Battery have short life, if you want to change one, the cost is relatively high. Therefore, it’s better to repair laptop battery than replace a new one, you have to repair it. For used Laptop batteries, it is possible that can not use or become damaged. In this case, the re-purchase a battery will be more economy. You can use the nickel-size batteries, which can be used for laptop batteries. If you use a lithium-ion batteries, you have to find manufacturers to provide a complete battery protective plate. When replace the Dell E5500 Battery in use, this time you need to maintain the supply voltage. This is because when the voltage is cut off, we will lose some important data; it will remain state line of non-use. To avoid this situation, we look for voltage secondary connections before the batteries separation, and only in your batteries can be disconnected at the end of the second connection. Usually E5500 Battery batteries connected together with a simple piece. A used battery needs to be replace when stopped work,, in which case you do not need to replace the battery, because even in a new laptop battery, you can get new batteries. So replace the batteries be much better than replace the entire battery. We need to know to maintain the link voltage batteries batteries to keep each within ten percent. To avoid this, we can together by batteries, and this is the best method to obtain a reliable batteries. In the nickel-metal hydride batteries, the Dell 1520 Battery self-discharge is a common occurrence. Therefore, in order to avoid laptop battery discharge, try to charge and discharge the battery for 14 hours. This step is necessary to reset the used laptop battery line. |
Why is SONY VAIO PCG-5K1L Battery’s fause but not Win7
|
Last week, Microsoft said will investigate the Windows 7 battery problem of false positives, before the laptop user reported that after they upgrade to Windows 7 , laptop always reminding them to replace the SONY VAIO PCG-5K1L Battery. Today, Microsoft finally gives the survey results, and pointed out that the battery testing Windows 7 is fully functional, the problem is your battery. Windows Steven Sinofsky, president of technology , published a lengthy article at the Windows 7 blog, he wrote: "Currently, we can not find any reason to prove that this problem is Windows 7-related." "In the past week ,many users given some attention of the media blog and forum, they claim that Windows 7 to remind them to 'consider replacing the battery', but before upgrading to Windows 7 ,the system have no that same case. These reports pointed out that , Windows 7 not only to remind the battery (which is the purpose of our design), also appeared error, or even lead a normal VAIO PCG-5K1L Battery can not be used. " "From the information gathered so far, Windows 7 will give correct reminder with problems, and Windows 7 has never report battery status with error, battery life has never led to an error. But those who reported the appearance of the user battery replacement reminded ,in fact that they do need to replace the battery. " Sinofsky further explained on the performance degradation computer's battery problems, and pointed out that Windows 7 testing tool in the new battery is according to the circuitry and firmware to evaluate the overall performance of the battery, calculate the percentage of its degradation. Battery testing tools, the default degradation rate setting is threshold to 60%, that is, if the overall performance of your SONY PCG-5K1L Battery is only 40% of the factory, then Windows 7 will remind you to replace the battery. |
23.03.2011., srijeda
Laptop screen dim resons and solutions
|
Typically, laptop computer after long time use of the screen will appear dark in the fault. Laptop screen dark will seriously affect the operation of laptop screen too dark for many reasons, just as HP Pavilion DV9000 , Asus and other brands appear dim the display screen for everyone to be a part of the most detailed answers. Laptop screen dark one of the reasons: Motherboard problems May be not the computer's motherboard or high voltage board and board problems, aging, and short circuit fault, under normal circumstances most of these failures can be repaired and do not necessarily want to change the motherboard Laptop screen dark second reason: screen line break HP DV7 screen line break will cause the display screen becomes dark, the notebook is folded, so if we use too much force to open and close the screen, then will wear the screen is a screen line or line break. We need to use them to pay more attention in peacetime. Laptop screen dark third reason: pressure plate problems Aging high-voltage board computer or burned out or high-voltage power cable loose board, blow and other reasons, the pressure plate is more common due to the dark screen. Long-term display at a high temperature high pressure plate, then the work will be easier to chip or burn aging. Dell Studio XPS 1340 screen dark because of the four: the display tube problem The aging of the lamp tube or a short circuit and other reasons will make the screen dark screen, this happens we can handle or Laptop Depot sent to deal with professionals, and the general aging of the lamp is used for a long time or is in the course of a collision, while the short-circuit inside the laptop screen because the screen may cause the metal shell more, the other SONY VGP-BPS13 laptop display screen shell if broken could prevent a short circuit. |
The impact of temperature on the laptop battery
|
In mobile use, the battery decided laptop life, due to the lithium-ion battery with a laptop in a non-normal temperatures, the temperature is too high or too low will bring a variety of issues, then the laptop battery temperature can affect it? The first ,0-40 is the most reasonable working environment Laptops in use, humidity, static electricity, temperature, and so have an impact on it, but the lithium-ion HP Pavilion DV7 Battery is most sensitive to temperature, the temperature is too high or too low, the battery will bring negative impact to varying degrees, usually, the limits of lithium-ion battery ambient temperature -20 ~ 60 , while the 0 ~ 40 is the most reasonable working environment, but to play the potential of laptop battery performance, 20 or so is the best use of the environment. Second, -25 the following will affect the battery life Although the Dell Studio XPS 1340 Battery in -20 environment allows to use, but this will affect the battery charge and discharge performance of very large, usually, the lower the ambient temperature, the battery inside the lower the activity of active material, electrolyte resistance and viscosity The higher the ion diffusion more difficult, not easy to charge and discharge the battery. For example, when the ambient temperature is below zero, the battery charge and discharge efficiency will be greatly reduced, so the charge rate will be very slow, full time after power supply is only about 60% of the original, when the ambient temperature falls below the minimum temperature limit (for example - 25 ), the SONY VGP-BPS13 Battery electrode reaction rate is very low, even from the freezing point of the electrolyte, the battery performance may be only 10%, seriously affecting the battery life. Third, 60 above may explode As in the case with the low temperature, if the laptop battery in high temperature environment, which will affect the battery charge and discharge efficiency, but more serious damage to the battery, such as use of poor quality, or charger, charging time is too long, making the heat a larger battery, when the charge temperature exceeds the maximum limit temperature, which will destroy the chemical balance within the battery, resulting in performance degradation of battery materials, battery life decreased. Similarly, the HP DV9000 Battery during the discharge time, that is, when we use the notebook as an internal short-circuit the battery or the battery design flaw, if the working temperature exceeds the maximum limits of battery capacity decreased, the life loss, but also a serious situation to explode, burning and other accidents. |
22.03.2011., utorak
Why Dell 1555 Battery life of short duration?
|
Q:It's only been a year since I bought my Dell 1555 Laptop and already the battery meter shows that I have to get a new battery. Even when fully charged the battery only goes on for only about an hour and a half. Is this normal? Is there some setting I have to change. Any advice is welcome. A: Dell Studio 1555 laptop battery (or any rechargeable battery) only has so many charges in its lifetime. So the best advice is to keep the laptop plugged in to AC power as much as possible (and avoid constantly recharging it). That said, 90 minutes of charge time after a year on a 15" laptop does not sound THAT bad. If it's still under warranty you can call Dell and see if they might replace it. Otherwise try draining it all the way a few times before recharging it. If you invest in a new Dell Studio 1555 Battery, consider the 9-cell. It has a bump on the bottom that might irritate some people but it's not a bad thing because it lifts the bottom up a bit and helps with the ventilation. We should be keep a good attitude when using the laptop to and treat it as our friends, as partners ,it need to be carefully protected, so any time you will take care of it, according to the method described above, I believe your laptop must be able to live longer . |
How to clean HP 4710S Battery notebook
|
Kept notebook clean and also help extend its life. 1. Cut off the power when you are Cleaning. Be sure to clean when the laptop turned off . It is best to unplug the external power supply, network cable, remove the HP Probook 4710S Battery before you clean. 2. Choose a professional tool for cleaning the screen. Specifically on the market today there are many LCD screen wipe cloth, as you need to buy big brand items. Such as "Scotch brightens," "may Lai children Mopac" are all good choices. These cleaning materials can not only remove dust, but also can prevent static electricity, disinfection, sterilization and other functions. 3. HP 4710S Common parts cleaning. For the keyboard, pointing and other commonly used parts of the clean plate can be a soft, slightly damp cloth to gently wipe a little, then wipe with a dry cloth. Keyboard vacuum gap can be fitted with a small point soft mouth to clean up. 4. The air outlet clean. Should choose a soft brush to clean the air outlet dust, to avoid the accumulation of excessive dust around the outlet, causing the notebook internal temperature too high. 5. Please cleaned regularly. Notebooks in use for some time will have accumulated a lot of dust, regular cleaning can ensure a stable state and can help you complete the daily work. I recommend cleaning every month from HP Probook 4710S, if long-term exposure to dust in a large environment, it is best cleaned once a fortnight to ensure the books in good condition. |
21.03.2011., ponedjeljak
IBM ThinkPad X200S Laptop battery repair process
|
1. When IBM X200S Battery in hand, the first to do is to view the appearance, to confirm whether there is injury, read and record the plate, and then read the battery information with SBW and collected data. 2. Disassemble the battery, knife to the corner, try to pry lightly, to prevent PCB scratches or caused batteries short circuit. 3. Measuring batteries, measurement each batteries voltage, analysis reasons of damage. 4. Observe the battery circuit board situation, get the following information: control chip models, memory models, self-destruct fuse status, whether there are injuries or corrosive liquids. 5. Record points-core connection method, separate batteries and circuit boards 6. In accordance with the IBM ThinkPad X200S Battery circuit board of different models, to unlock, unlock principle is backup first ,and then the unlock. 7. Assembly new batteries and new unlock board 8. Through the battery interface scl sda and gnd to read the battery information,ensure that whether the battery control circuit is working. 9. Test on the laptop, If there is no laptop see next section 10. If the client laptop is not here, can use appropriate voltage (output voltage higher than the current batteries 3v or so) of the DC power supply interface in the battery to recharge the battery for a little time, (not all notebook computer batteries do not take charge) reading the battery information ,Or use sbw software to do ThinkPad X200S Battery charge and discharge cycles to adapters, and resistance testing. 11. Adhesions after passing the basic test case. |
19.03.2011., subota
HP Pavilion DV4 Laptop fee service result
|
ĎGuarantee problem: HP customer service said that the warranty does not belong to the scope of the following circumstances: Non-technical issues like HP Pavilion DV4 hardware (you can check HP e-support website) No HP logo products Non-HP components or replace spare parts by yourself, and the spare parts not from HP or not Hewlett-Packard specify vendor Products, cleaning or normal maintenance Consumption of materials (such as: housing, plug components of the natural consumption, wear and aging) Due to incorrect installation, operation (such as hot plug data cable, etc.), or HP DV4 in non-prescribed working environment or damage caused by the failure to use (eg, temperature is too high, too low, too wet or dry, high altitude, voltage, or current unstable, zero ground voltage is too large, etc.) Due to accident, abuse (including out of work load), misuse, damage Due to improper storage (such as rodents, liquid penetration, etc.) damage The damage use of self or non-public offering of software products caused not work Caused by improper maintenance of computer virus infection Due to the installation and use of non-standard extension HP DV4 battery caused damage or failure Disassemble due to unauthorized repair or unauthorized modification or misuse or damage caused by the failure Damage caused due to non-HP authorized service center for repair. Damage or failure caused by Man-made or natural disasters. ĎHP DV4 Screen corruption problems: customer service considered that first perform a troubleshooting, if you can not rule out ,considering buying a new notebook. She gave several reasons for customer service consistent with the former. |
Lenovo IBM ThinkPad X200S paid service survey results
|
ĎIBM ThinkPad X200S Guarantee issues: Lenovo customer service said it no responsibility for the following causes product failure: IBM ThinkPad X200S failure or damage caused by storage and use and fails to guide the user requirements, non-prescribed product or incorrect installation of the work environment, (eg, temperature is too high, too low, too wet or dry, high altitude, voltage or current unstable zero ground voltage is too large, etc.); Non-Lenovo authorized service personnel to install, repair, alteration or demolition caused by mechanical failure or damage; Mechanical failure or damage caused by use of non-Lenovo components; Due to accidental factors or man-made reasons (including computer viruses, operating errors, scratches, handling, bump, inappropriate input voltage, etc.) caused IBM X200S mechanical failure or damage; because of unexpected factors or man-made reasons (including computer viruses, operational errors, into the fluid, scratches, handling, bump, not the right plug, improper voltage input, etc.) led to the failure or damage; The use of non-standard software or public offering due to mechanical,such as IBM ThinkPad X200S Battery failure or damage; Due to force majeure reasons such as natural disasters (such as lightning, earthquake, fire, etc.) causes product failure or damage; Other non-Lenovo machine, part quality problems caused machine, component failure or damage. Ď Screen corruption problems: customer service performance was relatively surprised, she asked in detail about the use habits of Xiaobian, and told the Xiaobian few notes. Finally, she suggested Xiaobian try to after service department. |
Why HP 4710S power adapter get hot
|
As the notebook frequency update rapidly day by day, LCD display upgrade month by month, laptop adapter power become steadily high an high, HP 4710S power adapte even reaching 100W or so, almost a small desktop PC power supply! When touch it, timid perhaps will be surprised, honey, is simply a hot potato! Will it catch fire? That is why lots of people worry about! Compaq, IBM is a big company,and too many times to recall the power adapter, it is because of concern about power adapter potential design flaws,and result in a fire! In fact, as long as HP Probook 4710S power adapter temperature is in the design range, that is, the temperature in the normal range, generally is not dangerous! But why the supply is hot? What kind of temperature range is normal? Conversion efficiency of switching power that can supply only meet about 75% -85%. The answer is here. Switching power conversion efficiency is high enough, right now it's hard to find a better Switching power conversion supply. During the voltage conversion, some of the lost energy loss, and a few of part lost in the form of waves, most of t emitted with heat. The larger switching power supply, the more loss of energy. Also the much greater heat. This is why to add a desktop fan for cooling. Let us figure it, one 100W switching power supply, how much loss of energy on it! Therefore, during Probook 4710S switching power supply design and production, be sure to select the heat resisting components. Of course, must control power temperature in the application that environment allows. First of all, designed to make the conversion efficiency as high as possible, and secondly, to choose low pressure drop, low loss switching devices and the third is to carry out thermal design, heat dissipation area to be as large as possible, 100W switching power supply or more should have metal perforated casing generally, or with cooling fan. The current laptop power adapter power is generally about the sixties and seventies W, adopt heat sealed plastic package, the heat generated internally conductive through plastic shell primarily. Therefore, the surface temperature of the power adapter is still quite high, the highest temperature even reached seventy degrees! Think inside the adapter, like fire! Therefore, when we using a laptop, should placed the power adapter in ventilation better place as far as possible, do not placed anything in power above like books. As for the kind of hot feeling, no need to worry about HP Probook 4710S Battery power, no heat will be strange too! |
18.03.2011., petak
What to do with SONY VGP-BPS10 laptop battery leakage and calibration
|
When I’m using SONY VGP-BPS10 laptop ,there always come out the regular leakage, there will be some parts of the touch feeling dumb, so check the internet a bit, wrote a resolution process, for the reference. Step 1: First unplug the external power supply, the use of battery power. If the leakage condition disappears, then that is the problem of ground outlet, go to step 2; if you have leakage, then the dealer service. Step 2: Make sure the socket has no ground, one of the most simple way is to look at electric pen or multimeter test socket. If the ground voltage is zero, then grounded outlet, and proceed to step 3; or for re-distribution outlet or ground. Step 3: the power adapter or your laptop case insulation is not good, should replace the related accessories. In addition, the phenomenon of low humidity and prone to static electricity, also contributed to the "shock" of the enemy. How to do the battery calibration Because SONY VGP-BPS10 Battery in use and charging will cause instability in the capacity of the battery down, but the decline was not caused due to aging, so the calibration is appropriate to make this part of the recovery of the lost capacity. Therefore, the battery calibration on a regular basis can be seen as a small activation of the lithium battery. Such as Compaq and IBM laptops or their own power management in BIOS program provides a battery calibration feature, so the use of these two brands of friends can according to the prompts. The aim is to continuous low current discharge batteries, which discharge state in our daily use is impossible to achieve, because the normal state we will inevitably be a variety of changes in current operations up and down. (The famous Compaq Battery Test Utility software) However, to note here is that if your battery is aging due to excessive use, and that this temporary solution is that the methods are not used, only replace the battery. Also, try not to heat, cold environment to use the battery, which will affect its life. Avoid some errors in the above, but also help to improve VGP-BPS10 Battery life, of course, the most critical time in a power supply, reducing the number of used batteries, so we need to purchase, repair battery greatly reduces the chances. In short, the laptop battery not too careful how to use to how to use it! |
Why HP Probook 4710S battery will appear zero voltage or low voltage?
|
Q:My HP Probook 4710S has been used more than two years at school and with no problem, but when at home no long time, when touch the keyboard when typing ,feel like to be caught in tailor’s cushion,but this case don’t often happen,and nothing happen when pull out power, no longer feel the sense of power So I Would like to ask how to do? If i take it directly to the repair shop, can someone help me determine the computer itself or the ground leakage bad it? A:1.HP Probook 4710S Battery will appear zero voltage or low voltage reasons: a. zero-voltage battery; b. the battery from external short circuit or overcharge, anti-charge (force over-discharge); c. high current batteries by continuous high-rate overcharge, cause the battery to a very core expansion, direct contact with the positive short-circuit. 2. To prevent the laptop battery from zero voltage or low voltage measures: a. Check whether the battery voltage, current; b. to avoid short-circuit; c. to avoid the collision cell, pressure; d. after battery charging voltage to the shutdown, take full charge and then stop. Q: When the battery is fully charged, the battery can also use the 7-minute show, but in fact 2.5 hours of battery can be used, then the battery internal electronic devices (display status of that part) is out of the problem? A: The initial charge new HP 4710S Battery has a self-accreditation process. After a period of time will be displayed properly. Set the minimum required computer shuts down the electricity meter management system. Disconnect the battery adapter to use the computer knows all used up. Then connect the adapter to start charging. Battery depth of discharge, or cycle 3-4 times to ensure optimal battery performance. |
17.03.2011., četvrtak
Five question and answer to solve laptop battery prob
|
1. Q: My HP Pavilion DV4 laptop does not recognize HP Pavilion DV4 Battery, and display the "battery is not compatible with this computer, insert the hp battery" and other similar information, and the indicator light flashes constantly, how is this going? A: This information indicates that the HP DV4 Battery compatibility is not good, When this fails, contact your supplier for replacement. 2. Q: when the battery charge to a certain percentage of 100% or even cut off AC power, the battery does not discharge, the computer immediately shut down, and why? A: (1) Depends on your working environment whether temperature is too high, if in higher temperature area, prolonged use of the battery protection will occur, in order to prevent accidents, the computer program started to terminate the computer to work, and you can Turn off your computer, you can take the battery out, put it back again. (2) The computer get problems easiest when the charging circuit in charge, the other possibility is that your computer is in the process charge, and cause problem. Please check your computer. At this time ,you can find the original battery, to see whether the computer can work. 3. Q: When I plug HP Probook 4710S Battery into the computer, the computer automatically shut down, and remove the battery, the computer can work, why? A: This shows that the HP 4710S Battery has failed. This is may be due to short-circuit protection of the battery interface, caused by technical failure. Encounter this failure, please contact your supplier for replacement battery. 4.Q: Why is the new battery can not charge? A: when all laptop battery in shipment of manufacturer, the laptop battery will charge the battery 40-50 percent electric quatity. Generally, we recommend charging one night (about 12 hours). The new laptop battery should be rechargeable (depth charge, then the depth of discharge), 3 to 5 times, so reach the optimal battery performance. (Note: the battery during charging and discharging process of a certain temperature is normal.) Difficult to use adapter to charge a new battery, since they have no depth charge. If this happens, remove the battery, then re-inserted. Charge cycle should begin again. The first charge the battery several times when this may happen. Do not worry, this is completely normal. 5. Q: How to correct HP DV6 Battery in order to achieve the best performance? A: The HP DV6 laptop battery has a microprocessor software inside, it can estimated electricity when charging and discharging. Battery needs to be calibrated from time to time to ensure that the screen displays the time and percentage is correct. You should first use your computer to implement the operation, done once every few months later. (1) The first ,set "Power" option: Right-click on a blank screen, select "Properties" - "Screen Saver" - "Power" - "power scheme" - "Portable / Laptop" Then "when the computer", "battery" all options "never" in the "alert" under the abolition of "low-battery alarm" and "a serious shortage of battery alarm" function. (2) cut off the power adapter and use Pavilion DV6 Battery until the computer completely shut off. (3) Connect the power adapter until the battery is showing 100%. In the initial use (or after a longer-term storage after), the battery needs at least 3-4 times a full discharge cycles to achieve their best performance, the charging process takes at least 14 hours. Tips: (1) You must discharge your HP Pavilion DV6 Battery to the computer off first, then full charge to 100% of its correction, after which, no matter at what level of battery power, you can always connect or cut off power supply. Also, do a period of time under the control of a protection circuit to correct deep charge battery discharge statistics, but it will not improve your battery's actual capacity. (2) When the batteries are "empty", the computer forced into sleep mode, the battery in fact retained a certain amount of power to ensure that the computer can be dormant for some time. When the battery is really fully depleted, the computer will be forced to shut down. At this time, any open documents are lost. |
Why Sony VAIO VGN-FW378J/B Battery can use different nominal voltage
|
Q: My original SONY VAIO VGN-FW378J/B Battery's nominal voltage is 14.4V or 10.8V, but nominal voltage of the cooresponding type battery does not match with me, the nominal voltage of 14.8V or 11.1V, and indicate that can be used on the same model, how should I choose? Answer: SONY VAIO VGN-FW378J/B laptop computer, its working voltage range of DC Safety is between the 5.5V to 24V. The batteries we equipped, is a rated voltage range of the required security. As we know, the batteries we used are lithium-ion batteries, and lithium-ion battery's own characteristics are: the battery voltage increased while charging; the voltage reduced when discharge. For example, a nominal 11.1V battery, which can provide practical and effective operating voltage range of 9V-12.6V, when the battery is full the voltage is 12.6V or so, and when the battery is discharged, the power voltage is about 9-10V , and that means 9V-12.6V is the shop can provide effective operating voltagto the computer . From the computer DC power design principles, all manufacturers of notebook computers are designed such computer motherboard power lines, so whether you are using the original SONY VGN-FW378J/B Battery nominal voltage is 10.8V, 11.1V, or 14.4 V, 14.8V, can all be used interchangeably, and safe, please rest assured to use. |
Why Sony VAIO VGN-FW378J/B Battery can use different nominal voltage
|
Q: My original SONY VAIO VGN-FW378J/B Battery's nominal voltage is 14.4V or 10.8V, but nominal voltage of the cooresponding type battery does not match with me, the nominal voltage of 14.8V or 11.1V, and indicate that can be used on the same model, how should I choose? Answer: SONY VAIO VGN-FW378J/B laptop computer, its working voltage range of DC Safety is between the 5.5V to 24V. The batteries we equipped, is a rated voltage range of the required security. As we know, the batteries we used are lithium-ion batteries, and lithium-ion battery's own characteristics are: the battery voltage increased while charging; the voltage reduced when discharge. For example, a nominal 11.1V battery, which can provide practical and effective operating voltage range of 9V-12.6V, when the battery is full the voltage is 12.6V or so, and when the battery is discharged, the power voltage is about 9-10V , and that means 9V-12.6V is the shop can provide effective operating voltagto the computer . From the computer DC power design principles, all manufacturers of notebook computers are designed such computer motherboard power lines, so whether you are using the original SONY VGN-FW378J/B Battery nominal voltage is 10.8V, 11.1V, or 14.4 V, 14.8V, can all be used interchangeably, and safe, please rest assured to use. |
Why IBM ThinkPad X200S notebook hard disk make noise regularly
|
Many IBM ThinkPad X200S customers have consulted that why notebook hard drive make noise,and we have do a lot for that problem, in fact, this is a Hitachi hard drive protection technology, today, I received six such advice, they are all Hitachi hard drive. This is because the use of Hitachi's new drive, head homing technology, the chip will detect the hard disk head position, not homing timely, to avoid ThinkPad X200S hard disk accidental collision damage. This is not talk nonsense, but a real fact. This is IBM developed APS (Active Protection System, Active Protection System) technology, and later after the merger of Hitachi hard disk department and then adopt this technology to Hitachi's hard disk. For your reference. First, during disk operation, the head move above in the disk, read the data , when the impact force of less than 200 grams and last 2 milliseconds , generally can rely on ThinkPad own shell and shock-proof design to avoid damage to the hard drive . When the impact force for 2 milliseconds at more than 200 grams, the damage will increase with the increasing impact energy. When disk in a non-working state, the head in the stop area (Parking Zone), the largest hard disk in 1 second can withstand the impact of 800 grams; when the impact more than 800 g / ms, the damage will increase as the impact energy increased, the right of the function. That is, if head bit return to to stop the area in time, the drive can withstand even greater than the impact of working conditions and without damage. IBM APS technology is based on this principle, predicted impact may occur after the head moved and stop in the area in time to protect IBM X200S disk. According to IBM's large number of practical laboratory survey , IBM ThinkPad X200S falls case in the working condition is drop from the desktop, which dropped from 120 cm in height (usually the person's knee height of 50 cm, table height 70 cm), how can the Thinkpad head homing before the impact occurred become a key problem. Unit Hitachi took over IBM's HDD business , IBM ThinkPad X200S Battery ,some changes were made to the APS technology. Change forecast time homing into timing homing ,further strengthen the hard disk protection technology. Called the load / unload technology Introduction: "Load / unLoad" head load / unload technology enables the hard disk heads automatically go bit to rest the outer ring fixed position, Prevent disc damage from head shaking |
16.03.2011., srijeda
Sony VGP-BPS9 don’t boot failure detection
|
Sony VGP-BPS9 Laptop fault conditions without power namely in several ways: First, the adapter with no power, but the battery power is normal; Second, the use of power adapter is normally, but with no battery power; Third, both of the adapter and the battery can not power up. The three failures are very common in laptops, in order to repair these three faults, we must master the process of laptop power. Here's a simple analysis VGP-BPS9 notebook power process. When we press the power switch ,the low (or high) trigger the PWRSW # signals of PC87591 and PC87591 issue of PM-PWRBTN # signals trigger ICH, ICH PC87591 laptop back to working mode of the three signals, then the main power supply laptop trigger switch, such as main power, CPU power supply, etc., and then follow the steps in the figure added power. It should explain the specific content of the figure, AC IN is the power supply adapter, Sony VGP-BPS9 Battery is the main battery power supply, Always ON will be output as long as the regular plug in the power supply, the main power supply chip (SoC is MAX1632, It should be noted that as long as the plug in the power of the circuit is after the third step will be appearing in the power supply, commonly known as standby power, the standby power output provided to the laptop, I am not part of the main power supply, mainly for notebook power also need to map the I / O PC87591 chip standby power in order to drive future notebook computers provide the main power supply. The main power supply is a notebook drive one of these, there is a situation that is plugged into a power system after the chip is not in will have standby power, you need to drive the main power generation system chips, the current laptops main power supply two systems coexist. After analyzing the above principle of laptop power supply, the following combination of symptoms fault analysis above. First, make the adapter without power, but the VGP-BPS9 Battery or adapter power-normal, but without using battery power up. Maintenance needs of both fault detection of the two protective isolation circuit, the figure close to the adapter and two battery-powered box circuit, which consists mainly of two isolated circuit components have insurance, MOS tube and diode. This is the most easily damaged part of the insurance, then the MOS pipe, there is a diode. Detection of the two first met in the isolation circuit fault insurance, MOS tube, then the diode, so that we can basically find fault components. Second, the use of the adapter and the battery can not power up. In such failures, we are here to introduce the method in accordance with the principle of detection. In such fault detection process is as follows: 1, Detect part of the motherboard if there is short circuit in the main power supply; 2, Detect CPU power or the CPU ,whether it is normal, because some machines can also cause CPU power failure; 3, detect system's main power supply chip output,whether it is normal, if not normally ,you need to confirm whether it is normal output circuit, whether pipe and the MOS diode in output circuit is normal; 4, Detect system chip input power conditions, including the main power supply, etc.; detected a problem with the input circuit of the input circuit should be carefully monitored, especially the input circuit of the insurance and MOS is the most easily damaged. In summary, the failure of Sony VGP-BPS9 laptop power failure is very common, such as voltage instability, the use of long time aging caused by the device, circuit design, current shocks can cause a power failure. If you encounter this failure to open the laptop in the case, follow the above procedure for testing. |
Why SONY PCG-5K1L laptop shut off for no reason?
|
When notebook SONY VAIO PCG-5K1L is turned on, and automatically power off .with self-test not completed, but power with adapter to the laptop is normal. Why is this so? Phenomenon can be seen from the fault, the problem should be out in the battery or the laptop's battery-powered circuit inside. With the principles of Simple first, first check the battery. Measuring the battery voltage of the two battery packs are 10.5V, with external heating wire method to discharge battery ,and estimate the capacity of the battery pack, two battery packs are relatively abundant. Thus "exclude" the possibility of a faulty battery. Then check the SONY VAIO PCG-5K1L Battery and notebook battery contacts, are also not found any bad problems. Therefore concluded that failure in the notebook's battery-powered circuit inside. Relied on appliance repair skills, and got some tools want laptop apart. But spent nearly half a day, not only does not open, and gave Tim to the two notebook shell scratches. Then I thought, notebook computers are sophisticated electrical, general, its internal circuitry is no problem. Then they come back to check the battery. SONY PCG-5K1L Battery on a total of eight metal interface, are neatly welded to a rectangular piece of circuit board, from left to right the markers were (the battery with the label side up): - - TTII + +. Carefully observed, marked "-" and "+" between the metal pieces are connected with two batteries; two "I"-shaped piece of metal is no connection of any circuit; two "T" shaped metal piece on the connected two golden connection (similar to the enameled wire), has been extended to the bottom of a battery pack. Reveal the battery pack, tear off a layer of adhesive, see the two line elements attached to the size of a grain of rice. When gona to measurements it ,a dry joint found ! After repair welding, machine work as usual! Consulting a local mobile phone repair shop, also learned that this component is part of laptop battery identification circuit for detecting the battery is connected to the laptop (some mobile phone battery has a similar function within the component). In this case, the Weld components inside the VAIO PCG-5K1L Battery lead identification circuit anomalies. Boot, the system on the misconception in mistake that the battery is not connected, and thus power shutdown. |
