The Importance of a CMOS Battery for pcs

CMOS or Complimentary Metal Oxide Semiconductor
CMOS battery is a coin sized lithium battery
that provides power to your CMOS Memory Chip when it is not powered on.
If this battery malfunctions or dies it is not re- chargeable and needs to be replaced.
Most of the CMOS batteries are the CR2032 3v Lithium battery,.
A dead CMOS battery can cause a black Screen on your PC's Monitor
due to the BIOS losing its settings.
You might also have an incorrect Date and Time Setting due to a dead CMOS Battery,
These are all due to the CMOS battery being weak or failing to work at all.