The CPU is attached to a motherboard ... properly and is most likely caused by your CMOS battery. BIOS Passwords are different from Windows user passwords since they prevent unauthorized users ...

Power down the PC and take off the side panel. Unplug the power cable and locate the small, circular disc battery on the motherboard. Carefully remove it, then press and hold the power button on ...

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 ...