How to Clear CMOS
Below are three very different ways to clear CMOS.
Every manufacturer seems to have their own way of wording it.
Finally, choose to save the tweaks and then restart the computer.
Dell Inc.
It should be easy enough, however, as long as it’s possible for you to find thatresetoption.
Start by making sure your gear is unplugged.
If you’re using a laptop or tablet, see to it the main battery is removed, too.
Dell Inc.
Every laptop is different.
Some may have a small battery compartment with its own cover, but many don’t.
Sometimes you will need to remove the whole back cover.
Finally, remove the CMOS battery for a few minutes and then put it back in.
exit the case or battery panel and then plug in, or reattach the computer’s main battery.
This is an increasingly common way that manufacturers of small computers include a CMOS battery.
Clearing CMOS, in this case, involves popping the battery out and then putting it back in.
If your gear is more than 5 years old this might be a great time to replace the battery.
Most desktop motherboardswillhave a jumper like this but most laptops and tabletswill not.
confirm your gear is unplugged and then open it up.
These jumpers are often located near the BIOS chip itself or next to the CMOS battery.
Some other names by which you might see this jumper labeled includeCLRPWD,PASSWORD, or even justCLEAR.
If you don’t do this, CMOS will clear on every restart of your gear!
Why Clear CMOS?
One reason to reset CMOS is to help troubleshoot or solve certain computer problems or hardware compatibility issues.
