A CMOS battery is a small, coin-shaped battery that powers the CMOS (complementary metal-oxide-semiconductor) chip on a pc’s motherboard. The CMOS chip shops the pc’s BIOS (primary enter/output system) settings, such because the time and date, exhausting drive configuration, and different system parameters. When the CMOS battery dies, the BIOS settings are misplaced, which may trigger the pc to have issues beginning up or operating correctly.
It is very important substitute the CMOS battery each few years to stop the BIOS settings from being misplaced. Changing the CMOS battery is a comparatively easy course of that may be achieved in a couple of minutes.
