@POMcGinty
I reviewed your post and I understand that you are facing issues with the battery backup.
Don’t worry, I assure you I will try my best to get this sorted.
I recommend you update the BIOS from the below link and check whether the issue is resolved.
https://ftp.hp.com/pub/softpaq/sp100501-101000/sp100871.exe
If you continue facing the issue, then run a test on the battery following the steps in the below article.
https://ftp.hp.com/pub/softpaq/sp100501-101000/sp100871.exe
Let me know how it goes and you have a great day!
P.S: Welcome to the HP Support Community 😊
If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!
Cheers!
Stay Home – Stay Safe
The_Fossette
I am an HP Employee