Help! My pc has been turning off while playing games.

It has shut off while playing GTA V, Unreal Tournament, and Fallout 4 but after a while in all games it drops clock speeds on my gpu from 810/1250 to 300/150. The fps just drops and never goes back up in games like insurgency and dota 2. But while it is dropping I notice the clocks dropping it may be my psu or gpu thermal paste the cpu was installed like a year ago and I don't overclock my cpu at all my my gpu is stock oc'd. And two of my sticks of ram are running at 1333mhz even though they are 1600. The psu is 4 years old also.

My Specs:
ASUS Q87M-E
Intel i5-4690k
2x4gb Corsair Vengeance DDR3 1600
2x4gb Crucial Ballistix Sport DDR3 1600
MSI R7950 Boost Edition 810/1250
Rosewill 630-Watt Green Series 80 PLUS Certified
Western Digital 500 GB Caviar Black SATA 3 Gb/s 7200 RPM
WD My Passport Ultra 500GB Portable External Hard Drive USB 3.0
Lite-On Super AllWrite 24X SATA DVD+/-RW Dual Layer Drive
Reply to r34p3r88
5 answers Last reply
More about turning playing games
  1. Two main reasons for that to happen are power (including VRM) and overheating. R7950 is also known to require a lot of Amperage and run hot. I'm thinking of that PSU as main culprit. I's older and inadequate for that setup. You need at least 750W PSU of good make and model, not that essentially office use PSU like that.
    Reply to CountMike
  2. CountMike said:
    Two main reasons for that to happen are power (including VRM) and overheating. R7950 is also known to require a lot of Amperage and run hot. I'm thinking of that PSU as main culprit. I's older and inadequate for that setup. You need at least 750W PSU of good make and model, not that essentially office use PSU like that.


    I thought the PSU might be the problem. But the 7950 does run hot and it does...did run games perfectly but the fact the PSU is old and Rosewill is the problem you think. It was fine on my original build which was 7950/a86600k/8gb of ram. Also I should have mentioned that like 3 months after I got it I was playing GMod and the screen went black I then had to RMA it and I have had it since but I can't upgrade because all gpus better than this one are sold out. Lastly will replacing thermal paste on my gpu will help. Because this just started happening 4 days ago. This is what i got after less than 10 minutes of playing Unreal also I down clocked to 525/625 and it dropped to 520/625 after the 10 minute period.

    https://puu.sh/wwjCj/fd6a42f96d.jpg
    Reply to r34p3r88
  3. When pushed to the limit capacitors, specially large ones at the power output in PSU can loose their capacitance and get unstable while also running hot and that introduces instability. A bad or overloaded PSU can cause havoc with system and possibly ruin other stuff when it breaks down. PSU is frequently overlooked but very important part.
    Reply to CountMike
  4. CountMike said:
    When pushed to the limit capacitors, specially large ones at the power output in PSU can loose their capacitance and get unstable while also running hot and that introduces instability. A bad or overloaded PSU can cause havoc with system and possibly ruin other stuff when it breaks down. PSU is frequently overlooked but very important part.


    thanks im getting a new psu right now
    Reply to r34p3r88
  5. I would check on the heat. I was having a similar trouble and turns out the MB I had had poor VRM cooling. From what I can see on your board, the VRM cooling is also kind of poor. I don't see heatsinks on the VRM unless I am just overlooking it. That can definitely lead to shut downs like that. When you have poor VRM cooling, supposedly a blow down fan works best. I know with mine it definitely helped. I thought my problem was PSU related also, and it might have contributed somewhat, but replacing it didn't resolve my issue. In the end a new MB and a better fan fixed the problem for me.
    Reply to Bo Lee
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