Ongoing PC issue, need advice badly

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JellinWellen

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Sep 10, 2015
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So I've been riddled with this issue for about 2 months. After switching power supplies to an EVGA 750G2 my PC would no longer boot up after being turned off or put to sleep. The only way to get it to turn on is to unplug the display port and then back into the graphics card and the PC boots up.

I have tried 2 different PSUs, 3 different graphics cards, and now finally a new replacement motherboard. None of these have fixed my issue. The PC does not have this problem when running the iGPU.
Memory tests show me my RAM is find, I am not over clocked.

Everything is connected properly as I have double checked all my connections, what is the deal here? The only thing I've yet to try is a different pcie cable, but I've never heard of those being bad.

Does anyone have any thoughts?
 
Solution
32starview
What OS are you using ? I remember reading somewhere that Win 10 had this issue , especially when the PC went to sleep and would not wake up.

I had the same issue for my sons pc, and it turred out to be an Acer problem with his GPU drivers, where the latest ones caused an issue. After we fixed that by using the original older drivers, ran into the Win 10 issue for the Acer as well as the ASUS which was my laptop. Had to google it and there were some options.

Might be worth it looking further into it, especially since you seem to have changed all the relevant hardware.

Hopefully this helps a it in additon to looking at the PCIE cable itself.
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_Blink

_Blink

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Jan 20, 2016
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When you say the iGPU works, but all those graphics cards gave issues, I strongly think it's the PCIe cable.

Otherwise maybe the GPU port on your motherboard is faulty.

But you said you got a new motherboard, so the only thing left I can think of is the PCIe cable :/

I did some digging up around google, but found nothing like your issue.
 
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J

JellinWellen

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Sep 10, 2015
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I definitely plan on opening it back up and changing out the cable when I have time this week. But I'm not holding my breath, I can game on this machine just fine. I would think if the cable was bad I'd for sure see some performance hits.
 
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32starview

32starview

Commendable
Mar 8, 2016
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What OS are you using ? I remember reading somewhere that Win 10 had this issue , especially when the PC went to sleep and would not wake up.

I had the same issue for my sons pc, and it turred out to be an Acer problem with his GPU drivers, where the latest ones caused an issue. After we fixed that by using the original older drivers, ran into the Win 10 issue for the Acer as well as the ASUS which was my laptop. Had to google it and there were some options.

Might be worth it looking further into it, especially since you seem to have changed all the relevant hardware.

Hopefully this helps a it in additon to looking at the PCIE cable itself.
 
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