this post was submitted on 30 Aug 2025
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techsupport

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PC help (lemmy.ca)
submitted 6 days ago* (last edited 2 days ago) by yeather@lemmy.ca to c/techsupport@lemmy.world
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My PC screen randomly went black while I was playing a game, and the VGA light turned on. When I rebooted, the cpu light turns on for a second, then turns off and the DRAM light turns on for a second, them the VGA light turns on permanently, screen completely black and unable to do anything. I have already tried clearing the CMOS, reseating and testing RAM, and the cable to my monitor. Any other ideas?

Edit: Just got it back from Office Depot. It worked in store according to the tech but when I brought it back home it did not work again. Possibly my Displayport cable? The VGA light is still on, so maybe it’s my outlet? Any ideas would be nice.

Edit 2: Thunderstorm must have messed with my cable running between my PC and Monitor. After rerunning it at Office Depot, a new cable and a deep clean fixed my PC. Thanks for everyone’s help.

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[–] yeather@lemmy.ca 1 points 6 days ago (1 children)

I do not, any way to check for driver updates or anything from outside the computer? The screen won’t display anything.

[–] ArcaneGadget@lemmy.world 3 points 6 days ago (1 children)

Not that I know of. But it won't be a driver issue if nothing at all is displayed. The boot screen should show up at the least. Basic video functionality shouldn't need a specific driver at all. There is a good chance, the graphics card has gone faulty, but with no alternative hardware for testing, it's almost impossible to reliably diagnose.

[–] yeather@lemmy.ca 1 points 6 days ago

That’s going to hurt, hopefully it is the PSU like other comments mentioned and not the GPU.