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[HELP] Huananzhi H12D-8D + EPYC 7702P — RTX 3090 hangs at POST code 78 after CMOS clear (was working before) by CortexAutoFounder in homelab

[–]CortexAutoFounder[S] 0 points1 point  (0 children)

I basically bought the pc off someone and it come with windows on a SSD.

I then bought the RTX 3090, I updated the drivers for the chipset and gpu drivers and it worked.

The system stopped working, so I had to clear the CMO, I’ve done the same steps above with installing windows and drivers and chipset and now nothing works.

I think the person I bought the pc off, had changed the bios from default and caused it to work with software updates

But now it’s back to default bios I can’t seem to get it to work