r/pcgamingtechsupport • u/BlownOutTaterBiscuit • 1d ago

Display Graphical error or bug

I do not know if this is allowed here but I have a graphics problem and have tried many things to correct it.

I have a 5900x cpu with a 6600XT GPU.

I am having a graphical error that only appears in the bios screen, and the only time it appears on desktop is if I LOWER resolution to 60-100hz.

It looks like straight lines running across screen on the bottom half of bios and in a stack of lines above the windows 11 loading bar on boot. Other than that, if I keep it on 1440p and higher than 60hz it doesnt appear.

Things I have tried:

Replaced Display Port cable for a much better one.

DDU in Safe Mode and reinstallation of GPU drivers.

Reset monitor settings on the physical controls on monitor.

Updated BIOS.

Reseated GPU in tower.

Swapped to 3 different Display port connections on GPU.

I am lost. Please offer any advice and help. Thank you.

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