CMOS (Complementary Steel-Oxide Semiconductor) battery is a small, coin-shaped battery that gives energy to the pc’s CMOS chip. The CMOS chip shops the pc’s BIOS settings, which embrace the date and time, {hardware} configuration, and different necessary info. If the CMOS battery dies or is eliminated, the BIOS settings will likely be misplaced and the pc could not be capable to boot correctly.
There are a number of explanation why you may have to unplug the CMOS battery. For instance, you could have to clear the BIOS settings in case you are experiencing issues together with your pc. You may additionally have to unplug the CMOS battery in case you are changing the motherboard or the CMOS chip.
