Question Monitor goes black and says no signal then will either come back/reset to BIOS/force me to power off

Mar 13, 2020
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Hey guys, I've had this problem off and on for probably a couple years now. I will be playing a game and the screen goes black and says no signal but can still hear game and then it will either:
1.Come back and I have to force close the game using task manager
2.Will reset my computer
3.Screen will remain into the no signal and will go into sleep mode

Things I have tried:
1.Removed and reinstalled graphics drivers
2.Ran RAM test
3.Replaced PSU
4.Got a new DisplayPort cable

Things that have temporarily solved it:
1.Defraged my hard drive and solved it for a few months(Now I have an SSD so no need to do this anymore)
2.Replaced PSU and didn't do it for a couple months then randomly started doing it again.
3.Replaced DisplayPort cable and problem went away for a few weeks then came back again recently.

I have also taken it to repair shops and they don't run into any problems with it when they have it and have run diagnostics and system tests and it passes all, so I am assuming it is on my side. Does anyone have any advice for me? This problem is driving me crazy.

Specs:
CPU: Intel i7 7700k 4.20GHz
GPU: EVGA Geforce GTX 1080
PSU: Corsair 1000w Power Supply
MB: Gigabyte ga-z170x-gaming 3
RAM: 16gb Cosair DDR4-3000 Vengeance LPX
Windows 10
 

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