Black screen while gaming.

onlysony

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Upgraded my pc from gtx 1050 ti to 1080.
and as I play a game, the display goes black, no sounds, led from keyboard goes black, but pc power is still on.
I don't think it is power problem since I have 750w.
I reinstalled geforce experience and game driver.
my next guess is gpu temp, but not sure if it is the case.
What do you guys think?
If it is the temp, how do I make sure it is temp problem, and how to fix it?
 
Solution

JalYt_Justin

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If your keyboard LEDs are going out, that means that it's quite likely that it's a power supply issue, since some of the motherboard is losing power, which would make sense if your screen is blacking out and you lose sound. What is the specific PSU that you have? It may be 750W but it could have terrible efficiency or it could be incredibly low quality, making it unsuitable for heavy loads.

If that's not your problem, it would be worth downloading the free version of AIDA64 and doing some CPU/GPU/RAM tests individually to try to pinpoint your problem. Using MSI Afterburner you can adjust your GPU fan speed and monitor temps.
 

onlysony

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https://www.newegg.com/Product/Product.aspx?Item=N82E16817139142
is my psu and I've been using it since 11/30/2015
 

JalYt_Justin

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That's a good PSU, so unless it's defective I wouldn't count that as the issue. Download some stress testing software and test your components, just to make sure temps are fine and stability is okay.
 
Solution

onlysony

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I called MSI tech support, and he thinks it is probably because it is OC model and overclocked too much.
He said I could send mine in and get replaced, or just under clock and use it.
Thank you for your help