Most importantly, a CMOS battery is crucial to maintain the RTC (Real Time Clock) on your computer. This allows proper ...

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 ...

You can easily reset CMOS using the BIOS Menu ... Remove the computer cover. Find the battery on the board. The battery may be in a horizontal or vertical battery holder or connected to an ...