Once you are sure that the positive pole of the battery is visible, gently remove the battery, taking care not to touch any other part of the motherboard. Go to your local tech parts retailer, and buy ...

The CMOS battery is an often overlooked but crucial element. Hidden on the motherboard of your computer, it acts like an emergency power supply for the BIOS.

PCs have a battery on the motherboard that provides the Complementary Metal-Oxide Semiconductor with a minimal amount of power, even when unplugged. This CMOS battery lets the system clock keep ...

The CMOS battery is a small pin found on the motherboard. You can either refer to the manual provided with your motherboard to change it or have a computer technician change it for you.

If you're getting errors when you boot your PC, the problem may be nothing more than a dead CMOS battery. Fortunately, they're cheap and easy to replace--on desktops, anyway.