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this post was submitted on 09 Dec 2023
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Could have been any of them, but I believe the one over the CPU would be my best bet. It's just a check to make sure it's working, and if it fails you will most likely see an error at the end of the post, which is right before the OS loads. GPUs are not required for most PCs to function unless you got a motherboard that does not have an on-board display output, in which case you just have no way of hooking up a display. If this was the case you could still get to the PC if you knew how to remote into it as well.
my motherboard has display output but my CPU doesn't have an integrated GPU so I need the graphics card for output.
btw, it just popped up in my head: What if I plug in the power without turning the PC off? Will something bad happen?
The physical copper wire connection in the plug and socket is not instant and as its wiggled around, breaking and making connection in quick succession, will likely cause voltage and amperage spikes which can damage components on the gpu. In the best case nothing happens and you have a black screen until you power cycle your pc. Worst case is a dead gpu core.
Wasn't me, but I would assume you got down voted because it's not possible for your mobo to have a display output without having an integrated GPU.
That display output is literally a component of the onboard gpu
My Intel Core i5 12400F literally DO NOT has integrated graphics so even if there are physical ports on the mother, I cannot get output from any of those ports. How the hell do they think I get video output from the motherboard if the CPU literally has no way of doing it?
It's not the CPU that contains the integrated graphics, it's the mobo. Do you know what mobo you use?
Do you have a source for that? I've only ever known integrated graphics to be part of the CPU.
Did I just step into the Twilight zone?
I just confirmed that you are correct, but I am positive that both of the mobos I bought in the last decade had graphics cards built into them. I have legitimately no idea how I'm only just learning that that's not normal.
Thanks for letting me know
Gigabyte B660M DS3H DDR4. I've already tried plugging it in, which I don't even need to, and lo and behold, no output to the monitor. Like I already said, how do you even get video out from a CPU that has no iGPU?
Ignore everything I said, evidently I am an idiot