Video card going mad!

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Kumu Honua
Kumu Honua
Jungle Guide
#2
Looks like death of a video card to me.

Can you check it's temperature? Has it been on for a long time? Proper ventilation? Dust inside the case recently?

Have you updated drivers? If so, try a rollback to previous?
Elder III
Elder III
Furnace Stoker
#3
What is your video card? What are your system specs?

Sadly it looks like your card is fried or well on it's way. :/

Like Kumu says: check the GPU temperature, clean out the dust in your case, make sure you have good airflow in there....