Solved Gpu sometimes doesn't power on with boot.

GetTheClicker · Mar 30, 2026

Sometimes my 7900XTX will not turn on the morning after I shut down. The PC boots but the RGB on the GPU isn't lit and there's no signal out. I know it boots just fine because I can hear the windows jingle.

If I shut down and power down using the switch on the PSU this fixes the issue but I'm afraid this method might not work for long.

Catnip · Mar 31, 2026

First thing to check is the power connections to your card. Are they secure?

GetTheClicker · Mar 31, 2026

I checked power and reseated. If that doesn't fix the issue I'll try a lower pci slot. If that doesn't work I'll start saving up for a new GPU. No I did not use the double ended single cable in case someone was going to ask.

I just got done replacing my 5950x because that died and it was a pain in the ass to come up with $380. Not looking forward to a $1000 or more issue.

andrew129260 · Apr 30, 2026

Does playing games or doing anything graphic intensive cause the pc to shut off?

GetTheClicker · Apr 30, 2026

Since my last post it hasn't had any issues after reseating the GPU. No, it has not shut off during gaming sessions. I did have a random hard restart because of a CPU issue. I think it was core 2, but that was a one time thing. I wasnt even gaming. I had 3 chrome tabs up and one was streaming a movie.

andrew129260 · Apr 30, 2026

GetTheClicker said:
Since my last post it hasn't had any issues after reseating the GPU. No, it has not shut off during gaming sessions. I did have a random hard restart because of a CPU issue. I think it was core 2, but that was a one time thing. I wasnt even gaming. I had 3 chrome tabs up and one was streaming a movie.

Do a modern gpu benchmark like this one here and if your pc shuts off or restarts, congrats you have a bad power supply.

garlin · Apr 30, 2026

Besides the power supply, some poor quality power cable adapters are known to cause problems because of the high power draw.

GetTheClicker · Apr 30, 2026

I ran every benchmark there is. I stressed the GPU and CPU. Separately and together. I tortured the entire computer running at 100% on everything for an hour and it didn't have any issues. I have enough spare parts lying around to build another pc, except for the GPU, so I'm not too worried. I'm hoping I won't need to use them anytime soon. PC parts have gotten pretty pricey lately.

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Solved Gpu sometimes doesn't power on with boot.

GetTheClicker

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