If your BIOS is reset in the morning, you need a battery change.
Are you worried your PC’s CMOS battery is dead or dying?
Here’s how to test your CMOS battery and replace it if needed.
Jason Fitzpatrick / How-To Geek
What Is the CMOS Battery on a PC?
TheCMOS(Complementary Metal-Oxide-Semiconductor) battery on your setup’smotherboardacts as an emergency power for theBIOSand date and time controls.
In the morning, connect the PSU cable and turn on the PC.
MSI
All you have to do is open your enclosure, locate the battery, and replace it.
Once you find a photo, look for a round silver thingy, usually located under the mainPCIe slot.
As it’s possible for you to see, the CMOS battery is quite easy to spot.
Again, look for a round, silver thing on the motherboard’s lower part.
The Energizer CR2032 is an excellent choice if you should probably replace your CMOS battery.
Most CMOS batteries are secured to the motherboard with a metal or plastic latch.
The Energizer CR2032 is an excellent choice if you need to replace your CMOS battery.
Next, slot the new battery into the CMOS battery slot.
Can You Replace the CMOS Battery on a Laptop?
Finally, some laptops don’t have a motherboard CMOS battery at all.
Related:How to Test the Power Supply Unit (PSU) in Your PC
