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- HP Community
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- Desktop Hardware and Upgrade Questions
- Re: RTC replacement for an OMEN Obelisk Desktop

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09-03-2024 03:03 AM
Hi, I have an issue with my PC ( Omen by HP 875-1xxx), and i was wondering if anybody could give me some guidance here.
Basically, the computer turns on by itself the moment I plug it to the power. Also throws a message (CMOS error 502).
I already downloaded the last version of the BIOS, but it hasn´t solve the problem.
As I have read, it could be that the RTC batery needs to be replaced.
So I have 2 questions:
1) What kind of batery / model / reference do I need for my specific PC ? and where can I buy one ( I live in Spain)?
2) Are there any available writen instructions or videos that explain how to proced (get to the batery and succesfully replace it)?
Regards and thanks in advance.
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Accepted Solutions
09-03-2024 05:27 AM
the battery is shown here as part 22
Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
09-03-2024 05:27 AM
the battery is shown here as part 22
Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it