New PC shutting down shortly after trying to play games. Runs fine during normal use

DmanGinute

Prominent
Apr 11, 2017
1
0
510
https://pcpartpicker.com/user/Dman-Ginute/saved/FNrWZL

Hey guys, I just built my first PC. Every time I try to play a game (Overwatch/Subnautica) the computer just shuts down. I have checked the GPU and CPU temp and both seem fine even on high settings (CPU: 40, GPU: 82 max), and my frame rate on Overwatch stays around 60-75. When the computer shuts down I usually hear a buzzing sound from my speakers (like the game glitched), my monitor displays no input, but the fans are still running on my PC for a few seconds (about 30) until it just gives out. As a side note, everything else (normal PC interaction like reddit and browsing, including videos) works fine.

I have unplugged and replugged the Graphics Card, set a limit on the FPS just in case it was getting too high (but this caused screen tearing), monitored the temperature of both GPU and CPU to see if anything is wrong, run a stress test on CPU (Turned out fine), and memory test on ram (everything was fine)

One last thing: My GPU min requirement is 500W and my PSU is 550W. I got the 550W because PcPartPicker said my Max requirement was about 300W, but now i'm wondering if the 500 GPU min is JUST for the GPU. So would I have needed more for the whole system?

Thanks for the help, it's super frustrating putting everything together then having it mess up right afterwards.
 
Solution
Seems like your PSU isn't good enough. When you're not playing games the PC's components aren't working hard and therefor they don't need much power. When you start to play games your components start to draw more power and it seems your PSU doesn't have the watts to go around, so your PC crashes. I would suggest upgrading your PSU. The EVGA G2 series is a good place to start for quality/price. Remember not to skimp out on PSUs! You'll have the same one for a long time and a low quality one will destroy more than itself when it dies...

Boopig

Distinguished
Jan 2, 2014
128
4
18,715
Seems like your PSU isn't good enough. When you're not playing games the PC's components aren't working hard and therefor they don't need much power. When you start to play games your components start to draw more power and it seems your PSU doesn't have the watts to go around, so your PC crashes. I would suggest upgrading your PSU. The EVGA G2 series is a good place to start for quality/price. Remember not to skimp out on PSUs! You'll have the same one for a long time and a low quality one will destroy more than itself when it dies.

https://www.scan.co.uk/products/750w-evga-supernova-nex750b-80plus-bronze-hybrid-modular-sli-crossfire-single-rail-61a-plus12v-1x140?utm_source=google%20shopping&utm_medium=cpc&gclid=CjwKEAjw9MrIBRCr2LPek5-h8U0SJAD3jfhtK5QzQ5y_qJ-_GtFLdAUO4_j1kYfQ9kOYWebqSB45JRoCn8rw_wcB
 
Solution

SUPERBIGMAN

Honorable
Jan 30, 2015
12
0
10,510
Don't waste your time or money on a psu tester, get a psu instead that is what i use when i get malfunctions in my computer.
You do need it least a 750 watt psu for your system, minimum requirements of 550 watts is not enough power.
 

Rexer

Distinguished


Now that you mentioned it, you're right. The manufacturer's power requirement is wrong. 500w is the minimum requirement but the recommended requirement is only 50w above the minimum. Might as well consider it still 'minimum'. Yes, I'd agree with you. Buy 750w.
 

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