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.

Locate the CMOS battery on the motherboard. Most current motherboards use flat, ... Replace the battery or install a new battery of the same type before plugging your computer back in.

If your computer loses its time or date settings or displays a CMOS Read Error, CMOS Checksum Error, or CMOS Battery Failure ...

A CMOS chip is vastly different than the CMOS battery on your motherboard. Introduction: What is “CMOS”? CMOS is a MOSFET-type technology used for logical operations.

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 ...

Though the CMOS battery isn’t directly required to keep these settings preserved in memory, your motherboard might see the missing battery and go, “Oh, I should reset all the settings to their ...

Read: Signs or symptoms of a CMOS battery failure. A CMOS chip is present on the RAM of your computer’s motherboard. This chip would inherit one of the characteristics of RAM: it deletes the ...

That battery — often called the "CMOS battery" after the type of memory it once powered — keeps the computer's real-time clock going. On older models, it also might deliver a trickle of power ...

Once you are sure that the positive pole of the battery is visible, gently remove the battery, taking care not to touch any other part of the motherboard. Go to your local tech parts retailer, and buy ...