ANSWER: A desktop computer’s CMOS battery – or complementary metal-oxide semiconductor – is used to maintain the time and date. When you turn on the PC, it will think the date is Jan. 1 if the battery ...

CMOS stands for Complementary Metal Oxide Semiconductor and despite its size, it does much more than you think. Let’s clarify a few things first. A CMOS chip is vastly different than the CMOS battery ...

This week continues our look at common PC problems that might seem serious but, with a little patience and understanding, can be resolved by average users. Problem: My computer keeps losing its ...

The motherboard of PCs and laptops contains a battery that runs the CMOS (complementary metal-oxide-semiconductor) and keeps the computer's clock accurate. Although it may not seem vital to the ...

My computer’s clock resets every time I turn it on. A: Your computer hasn't run out of time, but a small backup battery on its motherboard has run out of a charge. That battery — often called the ...

One of the main culprits behind BIOS issues is the CMOS battery. The battery powers the CMOS memory, which stores BIOS settings. If the battery is drained, the CMOS will not remember the settings, and ...

In this week’s installment of Tech 911, a reader writes in to find some clarity, not solve an issue with a broken device or failing hardware. Said reader was probably poking around his motherboard a ...

How often should I change the battery? Ideally, this battery is due for a replacement once every five years and must be replaced with great care to avoid causing other problems in the PC. Saving BIOS ...