If you are able to I would try to pay to get the problem professionally diagnosed. When I was having issues, the diagnostics test would turn up no issues but once I sent it in to be repaired, the...

it's been 2 weeks now since my motherboard was replaced and have not had a crash. I think the longest it went previous was a week(which was rare), so I think it's actually fixed

just to post an update. after weeks of dealing with support over the phone, i finally convinced them to send it in for repair where they were apparently able to reproduce the issue during full...

fair enough, but mine was happening right out of the box, and still happened with updated bios, drivers, etc. oh well, hopefully i can get it sorted out soon

I have the same issue with a brand new computer. Happened on the first day I owned it and will randomly happen twice a day, or sometimes go 3-5 days before resetting.

Dealing with HP is a hassle...