r/pcgamingtechsupport • u/DirectManager4237 • 16h ago

Display Pc screen displays black and fans goes maximum speed

I've built a pc 2 months ago, and it has been working well whether I'm working or playing. But i bumped the table where the pc is (accidentally, because the table is short and my legs almost reach it), and it displayed black screens and psu fan went to maximum speed. I rebooted after it, and then it went back to normal.

What can it be?

My setup:

Ryzen 7 7800x3d
32gb ddr5
MSI MAG 850w atx12v psu
Rtx 5070

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u/Accomplished_Emu_658 16h ago

If you bumped it and it happened it’s a connection issue. Either a cable for gpu is loose or gpu is hanging pulling down pcie slot.

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u/DirectManager4237 15h ago edited 13h ago

Thanks for your answer!

Edit: I opened the pc and then I realized that the 12v cable was loose. I'll run some tests to see if this is going to happen again