PC Master Race

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What happens if you turn on the PC without plugging the power cable for the GPU? (lemmy.world)

submitted 11 months ago by [email protected] to c/[email protected]

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So I was changing the case fans, after I put everything back together, I forgot to plug in the power for the GPU. I turned the pc on and I saw the white LED on GPU power port lid up and heard the fan spins like crazy (I don't know if it was the CPU fan or the GPU fans), I panicked and immediately turned off the power supply.

Everything happened in less than 2 seconds, I've run some stress tests and gamed for a few hours and nothing bad happened (yet?) so I assumed everything is still fine (for now?).

What happens if I had left it on like that for longer? And why did the fan ram up like that?

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[–] [email protected] 5 points 11 months ago* (last edited 11 months ago) (2 children)

"what happens when I don't plug thing in?"

Thing does not work.

Next question.

[–] [email protected] 1 points 11 months ago

But loud fan noises are scary

[–] [email protected] 0 points 11 months ago

I'd guess the concern was something to the tune of "if it's only getting mb power, will it somehow dangerously undervolt or be otherwise damaged?"