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 ...

I'm working on an old Dell CPx J PIII for a friends kid's and need to replace the CMOS battery. Any ideas on how and where it needs to be replaced? Thanks.

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 ...

I had a co-worker tell me that he had an old computer that the "trickle charger" died on him, thus causing his CMOS to die and screw up his BIOS. I have never heard of anything like a "trickle charger ...

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 ...

A battery that maintains the time, date, hard disk and other configuration settings in the CMOS memory. CMOS batteries are small and are attached directly to the motherboard. See BIOS setup and ...