Can CMOS battery cause no power?

When the CMOS battery starts to lose power and strength, the BIOS starts to lose data and the computer can begin to not work correctly. Some of the signs of a failing CMOS battery: (CMOS checksum and read error) Drivers may stop working, it can trigger driver blue screens and crashes.

What happens if CMOS battery dead?

If the CMOS battery dies, settings will be lost when the computer is powered down. You will probably be asked to reset the time and date when you start the computer up. Sometimes the loss of settings will prevent the computer loading the operating system.

What to do if the CMOS battery is not charging?

The computer will also display CMOS battery failure, CMOS read error, or CMOS checksum error, etc. If this happens, you need to switch on your computer and leave it on for a day. If the computer is not showing the errors after rebooting, the CMOS battery is charging. Otherwise, you need to replace the CMOS battery.

How do I replace the CMOS battery in my laptop?

1 Power off and unplug your computer or notebook . 2 Remove the screws of the side panel or bottom of the notebook to gain access to the motherboard 3 Once you open your computer or notebook you should find a small jumper next to the CMOS battery . 4 Remove the jumper and don’t replace it until after 20 seconds or longer.

What to do if my laptop battery is not charging?

Close the computer, plug the cables back in and start your computer or notebook. If you are still experiencing the same problems, you have now verified that these issues are not due to corrupted settings, and are stemming directly from a faulty or depleted CMOS battery.

How important is the CMOS battery in a computer?

So, it is very important at the time of booting your computer and other tasks. The CMOS battery is a small battery fitted on the motherboard of your computer. It has a life of around five years. You need to use the computer regularly to extend the life of the CMOS battery.