[SOLVED] Motherboard not recognising GPU, even though it did last night.

Nov 6, 2019
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I built a new PC last night, and it was running fine. But today it's like my motherboard won't recognise my new graphics card (though it must be as my monitor is connected to it)?

I can't install a driver. The displayed graphics look awful. My GPU isn't listed in Device Manager.

I've tried reinstalling Windows and my motherboard drivers, but it hasn't done anything.

It's 100% still plugged in, because I checked.

Any suggestions? Don't really know what I'm doing if I'm honest.

MoBo - Gigabyte Auros Z390 Pro Wifi
GPU - EVGA 2080 XC