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.

Since all batteries have a limited lifespan, you may need to replace your CMOS battery eventually. Typically, CMOS batteries last for around 3 years when unplugged from the PSU.

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 ...

BIOS not saving changes 1] Replace CMOS battery One of the main culprits behind BIOS issues is the CMOS battery. The battery powers the CMOS memory, which stores BIOS settings.

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 ...

Pawing through the Dell website, he pointed me to a page displaying a muddy picture of a battery that looked different from what was in my computer.

This 2-year-old Dell XPS m1330 has proven to be a not-so-great purchase; aside from the screen dying after 1 year, both the AC adapter and battery have now failed within a few months of each other ...