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 ...

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 ...

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 ...

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 ...