Is it bad if screen goes black when doing cinebench?

acs

acs

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21 Jan 2025
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First ever PC built. Got a 9800x3d with Noctua DH15 in a fractal torrent case.

Booted it up earlier today and all I’ve done so far is turn EXPO on in bios as ram was lower than 6000mhz. It recognised the speed once I turned expo on.

And I’ve installed windows. All I’ve downloaded is amd software, cinebench and occt.

I did a 5 min cpu test on occt and it was ok but temps went up to 86 degrees. I did a 10 mins cinebench with occt up at the same time and got a score or 22600 and then 5 mins into another test on cinebench this time with occt off and just cinebench it seemed like it was going quicker and at the 5 minute make my screen went black but my PC was still running.

I’m out of my depth here I feel so any advice is good on what I should do next. Was thinking I’d reapply thermal paste tomorrow. Not messed with any fan speeds etc.
 
Just got a securityhealthsetup - bad image message when I’ve rebooted the PC back up. Idle temps are 42 degrees just as I’ve booted the PC up
 
I didn’t know you could even update the bios thought it would be all done already?

I’ve downloaded amd software from a YouTube video for my graphics card but that’s it.

Windows update I thought I wouldn’t need to do one of them either as I’ve just uploaded it from a usb from my laptop
 
it’s just happened again 9 minutes 30 into another cinebench run as someone online said to retest from someone who had a same issue yet this time my screen went black and then it’s come back on again and finished the cinebench
 
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