When do i need to replace cmos battery

If your computer is experiencing problems with the date and time or you see the following error messages:. Clock not keeping its time on a restart or power cut Bios cmos checksum error defaults loaded Bios cmos battery low cmos wrong memory size No operating system CPU overclocking failed New CPU has been installed. Open the BIOS screen and note all the information on a piece of paper. Once completed this document will be useful to check out if all the parameters are correctly inserted after replacing the battery.

It can sometimes be hidden by extension cards or connectors. On older PCs it may have a cylindrical shape. The most widely used battery model is the CR Turn off your PC Remove the power cable attached to your system unit and remove the casing. Here are the best tools to stay on top of your laptop's battery life and health. Krishnapriya, or KP, is a tech enthusiast who loves looking for ways to make life easy with technology and gadgets.

She drinks coffee, explores new ways to use her electronic devices, and reads comic books. Read on to learn how to spot a dead CMOS battery and what you can do to fix it. Image Credits: Raimond Spekking. Share Share Tweet Email. Krishnapriya Agarwal 39 Articles Published. Subscribe to our newsletter Join our newsletter for tech tips, reviews, free ebooks, and exclusive deals! Click here to subscribe. These messages included:. So, how can you figure out CMOS battery issue then? Do you need to go running to Geeks Callout or some other laptop or macbook repair service in London right away?

Probably not! Some common issues can be:. There can be many different reasons for these errors. The CMOS battery is usually accessible through the underside of a laptop. In some models, you can find the battery underneath the keyboard as well.

So, if your laptop is showing any of the signs listed above, go for a CMOS battery replacement right away. Your laptop may need a replacement pretty badly. Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed. Sign in. Forgot your password?