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crwdns2944351:0crwdnd2944351:0*Read guide note* How to rebuild a laptop CMOS batterycrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Nickcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Nick

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PC Laptop
Type
technique
Title
How to build a replacement CMOS battery (Laptops)
Introduction
If you are dealing with an older laptop where the OEM no longer sells new CMOS batteries and aftermarket ones are hard to come by, it is possible to take the dead battery apart and replace the cell to make the laptop hold the CMOS contents again. ''''' Note: This procedure is only recommended for older notebooks. If replacements are readily available, it's better to buy a pre assembled battery. This approach is error prone unless you can get this right without error.'''''
'''''Guide notes:'''''
* The cell does not need to be 100% covered. However, everything you can get to must be protected.
* Laptop disassembly is not covered. Every laptop will vary, so research your specific laptop before removing the dead battery.
* '''''This guide ONLY applies to coin cell systems; not any other type. If your battery is different, do not reference this guide.'''''
* When adding tape to the cell, make sure you do not create a direct short. To avoid this, place the tabs slightly higher then the factory placement and cut the tape sorter then needed.
* '''''DO NOT use normal electrical tape. It is best to use liquid electrical tape to protect the cell. This can also be removed in the event you need to try rebuilding the battery again.'''''
Time Required Min
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Time Required Max
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Difficulty
Moderate
Conclusion
To reassemble your device, follow these instructions in reverse order.
Author
Nick
Public
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