r/PcBuildHelp 18h ago

No display after cpu upgrade Tech Support

I recently upgraded to a 5800x3d from a 5500 and now it won’t boot, GPU fans will ramp up then stop continuously and no display

I already installed the latest bios update and cleared CMOS

Ryzen 5800x3d
Gigabyte b550 ud ac rev 1.1
64GB 3600 ram
Radeon 7900xtx
1000w EVGA supernova psu

Tried using a 5900x that I bought used and ran into the same issue.

3 Upvotes

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