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 ...

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 ...

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 ...

I've got a 7 year old Lenovo Thinkpad x230 and my gf has the same year Dell Inspiron. Thinking of replacing the CMOS batteries. They both work just fine after replacing spinning rust with SSDs. The ...

I've an 8 yr old Sony Vaio laptop, model PCG-F590 (a.k.a PCG-9201), which for practical purposes, stopped working 3 weeks ago. The computer boots into XP, but during the login screen, or shortly after ...

QI’m getting CMOS errors on my old PC, and I think the battery on the motherboard needs to be replaced. Can I do this myself? AThe computer holds certain configuration and clock settings in the CMOS ...

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 ...