Checksum invalid cmos 502 error at starting of laptop

[Ankit97]

Chechsum invalid , reset bios cmos 502 error message appear at starting of laptop and it automatically shutdown at 30 minutes

[The_Fossette]

@Ankit97,

Welcome to the HP Support Community!

I reviewed your post and I understand that you are getting an error when you start the computer.

Don’t worry, I assure you I will try my best to get this sorted.

I recommend you update the BIOS on the computer from the below link and check if it helps.

https://support.hp.com/in-en/drivers

In case you are unable to boot to Windows then follow the steps in the below article to recover the BIOS.

https://support.hp.com/us-en/document/c02693833

Let me know how it goes and you have a great day!

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

Cheers!