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 ...

When you disconnect your computer’s power supply from the wall, it jumps in to save your BIOS or UEFI settings in your motherboard’s CMOS-RAM (Complementary Metal-Oxide-Semiconductor). But even the ...

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 ...