Wont post after GPU overclock

PatchNote

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May 26, 2017
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I was stress testing my GPU since I was overclocking it, when my GPU crashed I restarted the PC and now the motherboard wont post I just removed the GPU and cleared the CMOS still nothing. It turns out that the CPU fans aren't spinning I haven't touched the fans, I checked all the plugs n stuff and nothing, when I first click the power button the CPU fans spin for like a second then stop spinning whilst all the fans in my pc spin ?

I7 6700k
Gigbyte GTX 1080
Gigbyte z170 gaming rev 1.1 mobo
PSU rm1000x form Corsair
M.2 1tb ssd for Intel and a 2 TB Seagate HDD
32gb Corsair ram
Corsair h100i might be V2 idk
Im russing this since I doing it on my phone

 

That's not what I meant - I meant if he had integrated graphics or a second GPU to fall back on for testing purposes in case the GTX 1080 GPU has failed. Originally no system specs were posted.