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My pc restarts suddenly while playing high graphics games

My PC configuration is this
Intel DH55TC Motherboard.
Intel i3 CPU 540 @ 3.07GHz
ATI Radeon 6770 1GB DDR5
2048 MB Ram
PSU : Corsair VS550w
UPS : APC 600V

Actually, When i play games like Counter Strike then no restart occurs, but when i play games like DOTA 2, Crysis 3, Assasin Creed IV, other high graphic games, then my pc suddenly restarts, no shut down nothing, just turns off instantly and restarts. I thought it was my PSU, i changed my PSU as well as got a good APC UPS. But still the problem is there. I already spent a lot of money in there :\. Around INR 6000. What should I do now? Is that my motherboard problem? Or its the Graphics Card?
I also noticed that the temperature are normal, they remain in between 60-70 maximum times.
Please help me out some one :(.

P.S : NO *SHUT DOWN* Message, simply direct restart as if some one directly turned the power source off and then turned on so that the system starts again!
17 answers Last reply Best Answer
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  1. Best answer
    Sorry to hear about your problem. I think the problem is related to the GPU.

    Run a GPU stress tester for several hours. If it doesn't shut down, run Prime95 and see if it runs fine. Let us know the results.
  2. Actually i ran a GPU stress tester, when the temperature exceeded 90 degree then i closed it, coz normally while gaming my temp remains @ 60-70 c

    Did the Prime test, 20 test done, no error no warnings.

    Now what to do?
  3. mastrom101 said:
    Sorry to hear about your problem. I think the problem is related to the GPU.

    Run a GPU stress tester for several hours. If it doesn't shut down, run Prime95 and see if it runs fine. Let us know the results.


    PLEASE Reply me!
  4. Does this happen in every single game or just a few? It could be overheating if it gets to 90c. This is my guess.
  5. I know you ran Prime95, but what are your CPU temps?

    GPU overheating has more symptoms than just a shutdown. It will throttle itself, your games will slow down, then there may be a crash. CPU overheating just shuts off.
  6. Actually, CPU overeating causes throttling as well. There are threads here all the time about "my games start to lag after 10 minutes" and they always turn out to be CPU overheating and throttling. Its pretty rare for a computer to just turn off form CPU overheating without alot of obvious signs first.
  7. Hmm. Haven't heard that before. When I was having overheating issues my CPU would just power off, no throttling. It was from the Athlon series if that makes a difference. With that being said it's more likely to be GPU then, considering it gets up to 90 in tests.

    Edit: Are you referring to Cool N Quiet mode? Where it lowers frequency when it gets too hot or when its idle.
  8. No I am not referring to cool and quiet mode. Your motherboard was likely old and did not have any throttling built in. ANY modern board, AMD or Intel, will throttle the CPU if it passes tj.max temp.
  9. [Fri Apr 11 12:27:01 2014]
    Self-test 1024K passed!
    Self-test 1024K passed!
    Self-test 1024K passed!
    Self-test 1024K passed!
    [Fri Apr 11 12:42:22 2014]
    Self-test 8K passed!
    Self-test 8K passed!
    Compare your results to other computers at http://www.mersenne.org/report_benchmarks
    Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz
    CPU speed: 3059.05 MHz, 4 cores
    CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2, SSE4
    L1 cache size: 32 KB
    L2 cache size: 256 KB, L3 cache size: 4 MB
    L1 cache line size: 64 bytes
    L2 cache line size: 64 bytes
    TLBS: 64
    Prime95 32-bit version 25.11, RdtscTiming=1
    Best time for 768K FFT length: 13.238 ms.
    Best time for 896K FFT length: 16.037 ms.
    Best time for 1024K FFT length: 19.190 ms.
    Best time for 1280K FFT length: 24.058 ms.
    Best time for 1536K FFT length: 28.572 ms.
    Best time for 1792K FFT length: 33.196 ms.
    Best time for 2048K FFT length: 39.103 ms.
    Best time for 2560K FFT length: 52.723 ms.
    Best time for 3072K FFT length: 64.403 ms.
    Best time for 3584K FFT length: 75.936 ms.
    Compare your results to other computers at http://www.mersenne.org/report_benchmarks
    Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz
    CPU speed: 3059.19 MHz, 4 cores
    CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2, SSE4
    L1 cache size: 32 KB
    L2 cache size: 256 KB, L3 cache size: 4 MB
    L1 cache line size: 64 bytes
    L2 cache line size: 64 bytes
    TLBS: 64
    Prime95 32-bit version 25.11, RdtscTiming=1
    Best time for 768K FFT length: 13.475 ms.
    Best time for 896K FFT length: 16.639 ms.
    Compare your results to other computers at http://www.mersenne.org/report_benchmarks
    Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz
    CPU speed: 3059.18 MHz, 4 cores
    CPU features: RDTSC, CMOV, Prefetch, MMX, SSE, SSE2, SSE4
    L1 cache size: 32 KB
    L2 cache size: 256 KB, L3 cache size: 4 MB
    L1 cache line size: 64 bytes
    L2 cache line size: 64 bytes
    TLBS: 64
    Prime95 32-bit version 25.11, RdtscTiming=1
    Best time for 768K FFT length: 13.507 ms.
    Best time for 896K FFT length: 15.937 ms.
    Best time for 1024K FFT length: 18.896 ms.
    Best time for 1280K FFT length: 22.534 ms.
    Best time for 1536K FFT length: 27.830 ms.
    Best time for 1792K FFT length: 34.365 ms.
    Best time for 2048K FFT length: 40.312 ms.
    Best time for 2560K FFT length: 51.574 ms.
    Best time for 3072K FFT length: 60.759 ms.
    Best time for 3584K FFT length: 76.840 ms.
    Best time for 4096K FFT length: 84.441 ms.
    Best time for 5120K FFT length: 111.298 ms.
    Best time for 6144K FFT length: 128.367 ms.
    Best time for 7168K FFT length: 157.009 ms.


    Cpu 0 remains most of the times 90degree and cpu 1 remains mostly 91-92 degree
  10. Yeah, your CPU is overheating. 90c is WAY too hot for that CPU. 72.6c is the MAX temp according to Intel. At 90c any CPU will begin to fry.
  11. It happens in high graphics game only, in low graphics ( Counter strike 1.6, GO) the problem doesnt occur at all !
  12. Well, your CPU is frying so that needs to be fixed, but I'm guessing your GPU is frying too and causing the crashes.
  13. Actually I have a messed up cabinet, i guess for that reason this is happening ?
  14. I don't think so. For the CPU, make sure the cooler is firmly attacked and the fan is spinning. Does your case have at least one fan?
  15. I had 2 fans in my cabinet before, but last year i changed my motherboard, so had to lose one fan. My GPU has a default fan with heatsink, above the processor there is a fan came up along the processor
  16. Since neither of these tests crashed your computer, I would give Memtest a shot.
  17. Your CPU is way too hot. Most graphically intense games are pretty heavy for the CPU too. For example, DOTA 2 relies on the CPU quite a bit. Reseat the heatsink and assure that your thermal paste isn't dried up.
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