Question My motherboard randomly turns off my GPU

Aug 13, 2023
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I have an ASUS M5A99X EVO R2.0 motherboard, I know it's old but it's the only thing I have while I save for a new PC
and what happens is that the board makes the GPU turn off out of nowhere but everything else stays on
At first I thought it was the GPU that I have but I tried with two more on the board and the same problem occurred, I also tried with the other PCIe x16 ports that the board has but the same thing happened
I need help to solve this since I can't be left without a PC right now since I still can't get a new one and I need to use it every day. I would really appreciate it if you could help me.

PC specs:
  • AMD FX-8120
  • ASUS M5A99X EVO R2.0
  • Tested GPUs: R7 250, HD 6570, GT 620