getting CMOS error 502

[kiran5660]

HP Notebook - 15s-du1034tu
Serial number: [Personal Information Removed]
Product number: 9LA50PA

getting CMOS error 502.

Is there a CMOS cell on other board that needs tobe replaced?

I see the BIOS time is clearing and it starts with 0s

or

Is the laptop battery dead and needs replacement?

            Where can I buy if that needs to be replaced?

I am based in Bangalore, India.

[Paul_Tikkanen]

Your notebook does not have a CMOS battery.

The main battery also serves as the CMOS battery to maintain the system clock and BIOS settings.

Below is the link to the parts list for your notebook:

HP PartSurfer

The battery part number and description is:

L11119-855   Assembly-battery 3C 41W 3.6A LI HT030

You can check on Amazon.in for a compatible aftermarket battery that references the HP L11119-855 battery part number, or you can contact the list of authorized HP suppliers in India at the link below and see if they can find you the battery you need.

The HP Parts Store | HP Computer Parts | HP Printer Parts | HP parts | hp batteries | SSD | printhea...

Below is the link to the service manual, where you can find the battery removal and replacement procedure:

Maintenance and Service Guide HP 15 Laptop PC