CMOS battery is a piece of hardware that powers the BIOS firmware in a laptop. Even when your computer is not plugged into a power source, BIOS must continue to function (It instructs the system ...

Some key computer functions are governed by the CMOS (Complementary Metal-Oxide-Semiconductor), a chip on your motherboard powered by a small battery. The CMOS governs things like the system time ...

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 ...

To do this, you need to open your laptop and remove the CMOS battery. After that, wait for some time and then reinsert the CMOS battery. This process will also reset your BIOS settings to the ...