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PC Reboots while playing some games

Hello all,
This problem is driving me nuts, my PC reboots in some games while the CPU, GPU and Motherboard temps are fine.
GPU around 55 under load, full load while benchmarking might get it up to 70C.
Prime95 full load CPU gets the CPU temp up to 55C.

It's not the memory either, ran memtest and no errors.

Sabertooth Z77
Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz
16 GB Ram
NVIDIA GeForce GTX 660 2GB
ATX 750W PSU

I always use Vsync and my monitor refresh rate is 60hz.

The PC reboots and gives no BSOD (I did turn off reboot on critical errors)

Please help me out, this is driving me insane...
19 answers Last reply Best Answer
More about reboots playing games
  1. So you said everything is running fine. The PC never reboots during any of the benchmark tests or anything. If that is the case, then it may be some sort of driver/API error. Since you have good temps and the parts run fine in all of the benchmarks id say that it is not a hardware problem.

    What games does it have problems with?
    If you are overclocking anything, try running it without an overclock.
  2. Kingbob said:
    So you said everything is running fine. The PC never reboots during any of the benchmark tests or anything. If that is the case, then it may be some sort of driver/API error. Since you have good temps and the parts run fine in all of the benchmarks id say that it is not a hardware problem.

    What games does it have problems with?
    If you are overclocking anything, try running it without an overclock.


    It never shuts down while benchmarking no, the games i currently have problems with is CoD Ghosts with certain settings... I had problems in the past with Tera and Alan Wake but that was before I got my CM Hyper Evo 212 CPU cooler. ( I think the CPU overheated with those games because i can play Alan Wake fine now.)
  3. Kingbob said:
    So you said everything is running fine. The PC never reboots during any of the benchmark tests or anything. If that is the case, then it may be some sort of driver/API error. Since you have good temps and the parts run fine in all of the benchmarks id say that it is not a hardware problem.

    What games does it have problems with?
    If you are overclocking anything, try running it without an overclock.


    Oh, no i'm not overclocking anything at all.
  4. What is the exact make/model of PSU ? I strongly suspect the PSU.
  5. Best answer
    So you're saying, currently the only game youre having troubles with is COD Ghosts.

    If that is the case you have nothing to worry about. Since Ghosts is a new game im sure that there are some issues with it that will be patched. The same thing happened with the PC version of BF4 when it was released. The bug should be fixed in a patch soon.
  6. lonewolf7 said:
    What is the exact make/model of PSU ? I strongly suspect the PSU.


    I dont think that is the case because the OP can run all of the benchmarks fine. If anything stresses the PSU, its benchmark tests.
  7. Kingbob said:
    lonewolf7 said:
    What is the exact make/model of PSU ? I strongly suspect the PSU.


    I dont think that is the case because the OP can run all of the benchmarks fine. If anything stresses the PSU, its benchmark tests.


    I must admit i was afraid of that too, that it's the PSU but running Prima95 + Furmark at the same time does not result in a reboot.
  8. linsyschopman said:
    Kingbob said:
    lonewolf7 said:
    What is the exact make/model of PSU ? I strongly suspect the PSU.


    I dont think that is the case because the OP can run all of the benchmarks fine. If anything stresses the PSU, its benchmark tests.


    I must admit i was afraid of that too, that it's the PSU but running Prima95 + Furmark at the same time does not result in a reboot.


    Exactly, im 99% sure it's not your PSU. You can play all your other games right?
  9. Kingbob said:
    So you're saying, currently the only game youre having troubles with is COD Ghosts.

    If that is the case you have nothing to worry about. Since Ghosts is a new game im sure that there are some issues with it that will be patched. The same thing happened with the PC version of BF4 when it was released. The bug should be fixed in a patch soon.


    You might be right, I should probably check with for example Tera if I can run that game now fine, the reason i'm making a thread is because I've had a lot of trouble with overheating in the past and I want to be sure it isn't happening again... (btw i'm getting some new fans in a few weeks to improve case airflow)
  10. Kingbob said:
    linsyschopman said:
    Kingbob said:
    lonewolf7 said:
    What is the exact make/model of PSU ? I strongly suspect the PSU.


    I dont think that is the case because the OP can run all of the benchmarks fine. If anything stresses the PSU, its benchmark tests.


    I must admit i was afraid of that too, that it's the PSU but running Prima95 + Furmark at the same time does not result in a reboot.


    Exactly, im 99% sure it's not your PSU. You can play all your other games right?


    Every other game i have currently installed except for Ghosts, yes.
  11. Then I bet its a bug that will get patched. Dont worry about it.
  12. Kingbob said:
    Then I bet its a bug that will get patched. Dont worry about it.


    Alright, i'm going to check out Tera and some other games to see if anyone problems occur, can i send you a private message or something if I find out something weird or find some more information about my problem?
  13. So may I ask you the same question please, as mentioned above. And if you are not bothered to give us the answer, then try to borrow a known good PSU, and test with it. And I suspect its a local made PSU and not a branded one.

    What would happen if your PSU can't cope with the load:

    •bad 3D performance
    •crashing games
    •spontaneous reset or imminent shutdown of the PC
    •freezing during gameplay
    •PSU overload can cause it to break down
  14. lonewolf7 said:
    So may I ask you the same question please, as mentioned above. And if you are not bothered to give us the answer, then try to borrow a known good PSU, and test with it. And I suspect its a local made PSU and not a branded one.

    What would happen if your PSU can't cope with the load:

    •bad 3D performance
    •crashing games
    •spontaneous reset or imminent shutdown of the PC
    •freezing during gameplay
    •PSU overload can cause it to break down


    Can't find out the brand and i didn't build this Pc myself...
    The reason i don't think it's the PSU is because I have none of these problems except for the reboot without BSOD. No high pitch noise, no decreased performance, no freezing, no crashing games nothing.
  15. Open the side panel of cabinet, you will find the PSU, look at the sticker to find out the make/model, and look for the AMPERE on +12V rail. If you wish you can post it here.

    A good working PC wont reboot by itself, so why yours doing so ?
  16. lonewolf7 said:
    Open the side panel of cabinet, you will find the PSU, look at the sticker to find out the make/model, and look for the AMPERE on +12V rail. If you wish you can post it here.

    A good working PC wont reboot by itself, so why yours doing so ?


    i've done that, there's no brand on it, only says something about 750W ATX 12v
  17. Yes I knew it, and I said it earlier, it is indeed a local brand PSU. Beware of your components. Those cheap made PSU's wont supply clean power and should damage your components. So get rid of it as soon as possible.

    The automatic reboots you are facing now could be of anything, and its a warning for you too.

    GeForce GTX 660 requires- 24A and a 450W PSU minimum. That said is a decent PSU, not local made. So can you confirm that your current PSU is providing that much power on +12V rail. The answer is no, you cant. Don't rely on cheap PSU's, they are garbage. And 750W means nothing, that's a fake wattage they are stating to fool you.
  18. lonewolf7 said:
    Yes I knew it, and I said it earlier, it is indeed a local brand PSU. Beware of your components. Those cheap made PSU's wont supply clean power and should damage your components. So get rid of it as soon as possible.

    The automatic reboots you are facing now could be of anything, and its a warning for you too.

    GeForce GTX 660 requires- 24A and a 450W PSU minimum. That said is a decent PSU, not local made. So can you confirm that your current PSU is providing that much power on +12V rail. The answer is no, you cant. Don't rely on cheap PSU's, they are garbage. And 750W means nothing, that's a fake wattage they are stating to fool you.






    Though i definetly agree it might not be the best PSU i highly doubt the guy i bought this PC from would pick a cheap PSU. This PC belonged to him, it was his own and he knows very much about Pc's.
    That being said i'm looking into replacing that PSU, though I'm not in a hurry with it.
  19. As you wish, its your call, I can only suggest you and nothing else. But I doubt about the guy's knowledge on PC's, else he wouldn't use a cheap PSU to ruin the PC. Good luck.
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