Computer shuts down randomly while gaming

First my specs:
Intel i7 6700k quad core 4.0ghz
EVGA geforce gtx 1070 ftw acx 3.0 8gb
Cooler master hyper evo 212 heatsink fan
ASrock motherboard lga 1151 socket z chip set
Optical drive
Pny ssd 120gb
Seagate 1tb hdd
Windows 10 64 bit
EVGA psu 750 fully modular 80+gold certified

Now, on to the problem. While playing overwatch last week after having brought my computer to a repair shop for output issues (resolved finally got bios and windows installed) another issue surfaced where i would play several games of overwatch experiencing temps on the CPU at 40-45c and motherboard at 30c overwatch was saying my GPU was at between 55 to 60c and it starting shutting off with no warning second day of dealing with this i ended up taking it back and getting drivers installed didnt change the temps even slightly from what i noticed, i kicked the fans to full speed and that still didnt stop the shut downs. The last time it crashed the following morning the heatsink fan would not spin GPU logo did not light up and just the LED's and case fans would run, i thought it dead but i decided to troubleshoot the issue myself to much avail, i took the GPU out turned it on nothing came up, took the Ram out heatsink started to spin reinserted the RAM and i got windows to boot again. I got HW monitor looked at all the voltages and temps idle and nothing seems out of whack have yet to do memtest and 3dmark if need be, but i cant keep having these shut down issues while i game it forces me to not want to use it for what i built it for. Help and Advice would be much appreciated by anybody who has a clue what might be causing the problem ive been thinking maybe PSU is overheating, or thermal paste is garbage and i need artic silver 5 and a better heat sink or the mobo is shot some how somewhere and needs factory replacement. Should mention that settings are on ultra as recommended by the gpu settings.
Reply to Jroberge
5 answers Last reply
More about computer shuts randomly gaming
  1. Sounds like your power supply to me. Do you know how to check the voltages? Your motherboard software should have that function in it. The most accurate way to check the voltages are by a multimeter but not everyone knows how to do that. Most power supplies will do fine at idle but when they are put under load that's when they will show their weakness. I would start with this and then check back let us know what you find.
    Reply to indsup
  2. indsup said:
    Sounds like your power supply to me. Do you know how to check the voltages? Your motherboard software should have that function in it. The most accurate way to check the voltages are by a multimeter but not everyone knows how to do that. Most power supplies will do fine at idle but when they are put under load that's when they will show their weakness. I would start with this and then check back let us know what you find.


    I have a diagnosis tool that came with my power supply I'm not sure exactly how to utilize it but I'm presuming that would be the only proper way to test the voltages on my computer HW monitor had not any strange voltages over at the max everything was pretty much in the middle but I also wasn't running over watch while hwmonitor was up which might have led to inconclusive results but I will do that if you can tell me how
    Reply to Jroberge
  3. That would make you think everything is good. You have to put the power supply under load to see how it does. The tester plug is nothing more than a plug to turn the psu on without it being hooked up to the motherboard. Can't actually test it that way. Not for what you need to do. have hwmonitor running while trying to play the game and see what it shows then. If you get under 12 volts, and under 5 volts on those rails the power supply is going bad. Not keeping up with the load requirements. A 750 should handle your rig just fine.
    Reply to indsup
  4. indsup said:
    That would make you think everything is good. You have to put the power supply under load to see how it does. The tester plug is nothing more than a plug to turn the psu on without it being hooked up to the motherboard. Can't actually test it that way. Not for what you need to do. have hwmonitor running while trying to play the game and see what it shows then. If you get under 12 volts, and under 5 volts on those rails the power supply is going bad. Not keeping up with the load requirements. A 750 should handle your rig just fine.

    Under 12 volts and under 5 volts on hw monitor on the psu? How many games should i play To create an accurate hypothesis? Just don't want to damage something
    Just wanting to clarify what exactly it is I am monitoring and where on HW longer I am supposed to be looking for those types of voltages on which specific rails
    Reply to Jroberge
  5. It should only take one gaming session. Once the components heat up it should start the voltage drop by the increased load on the psu. If you notice the voltages dropping then you should shut the game off and let the components cool. That will save the components. The biggest risk is to corrupt your hard drive if it is in the write function. if you are really over taxing the psu then it will eventually fail and no telling what it will damage. Don't prolong the trouble shooting and it that is what you find don't put off changing the psu.
    Reply to indsup
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