Most importantly, a CMOS battery is crucial to maintain the RTC (Real Time Clock) on your computer. This allows proper tracking of time even when your PC is powered off. While most PCs nowadays ...

If something has gone catastrophically wrong with your PC, you may need to reset the CMOS to solve the problem. Here's what ...

A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and ...