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New GPU stopped working after less than an hour?

N

Nandinando

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https://pcpartpicker.com/list/MMKDFZ

My new 5080 won't turn on. It turned on at the beginning (30 minutes), played Clair Obscur normally, but after I tried playing MH Wilds, the display turned off while compiling shaders and it never turned back on even after rebooting it. GPU RGB is still on, but no display. I had turned off my iGPU before, so unfortunately, I couldn't see anything even from there.

I tried reseating the GPU as well as unplugging it, but neither worked. I took the power adaptor out, plugged my old 3090 in one of the cables, and it worked perfectly like it always did.

The only thing I can really think of is maybe that I daisy chained the adaptor? I don't think I had 3 PCIe cables, so I made do with what I could and daisy chained one of the cables that came with the PSU. I hope that didn't ruin anything permanently.

Any tips or ideas are appreciated. Thanks for your time!

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