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 embody the date and time, {hardware} configuration, and different necessary info. If the CMOS battery dies or is eliminated, the BIOS settings shall be misplaced and the pc could not be capable to boot correctly.
There are a number of the explanation why you may have to unplug the CMOS battery. For instance, chances are you’ll have to clear the BIOS settings if you’re experiencing issues together with your laptop. You might also have to unplug the CMOS battery if you’re changing the motherboard or the CMOS chip.
