Question PC wont post (no codes at all) when GPU is connected to PSU

Sep 12, 2019
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Hello,

Put this in the GPU thread, as I am fideling with the GPU to get this working..

The case:

My PC has been working great for 6 years now, and about 12 months ago I installed a gtx 1080.
Yesterday I ran into this problem where it refused to post (and gave no codes, no beeps)

I therefore plugged out the power to my GPU but left it in the PCI-E slot, and tried to post. and that worked!
I then reconnected the GPU to the PSU, and... it posted, booted, and all is good.


Today (about 20 mins ago) I started it up again, and had the same issue, and it refused to post or give any codes/beeps.
I did the exact same thing as last night and disconnected the GPU from the PSU, started it-> got it to post-> shut it down-> reconnected GPU to PSU -> and it posts just fine.


So the question is;
which part is dying here, Motherboard, GPU og PSU? ^^


specs;

motherboard: Asus M6E
cpu: i7 4770k
gpu: gtx 1080
psu: corsair ax760i platinum
 
Sep 12, 2019
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inno3d geforce gtx 1080 twin x2 8gb gddr5x

Product number is n1080-1sdn-p6dn rev 2.0
Rev 2 has two power inputs (8pin and 6pin)


Bear in mind, this happend over night after the computer worked perfectly for first 5 years, then a swapped GPU and it worked perfectly for 1 more year up untill yesterday.
 

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