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 ...

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 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 ...