How To Remove Cmos Battery

How To Remove Cmos Battery. If it is depleted, then it requires replacing. The CMOS battery is a coin-sized lithium battery responsible for powering.

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I don't recall having to take the battery out. ever. Complementary metal-oxide-semiconductor (CMOS) is a small amount of memory on a computer motherboard that stores the Basic Input/Output System (BIOS) settings. If you are talking about on a tower (laptops have stopped using them for years and rely of the main battery) then it is an old trick to cold start a PC.

Finally, remove the CMOS battery for a few minutes and then put it back in.

By disconnecting and then reconnecting the CMOS battery, you remove the source of power that saves your computer's BIOS.

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Home CMOS BATTERY TIPS How To Remove A CMOS Battery From Laptop. The term CMOS is an acronym for Complimentary Metal Oxide Semiconductor. Close the case or battery panel and then plug in, or reattach the computer's main battery.