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Gaming crashes my new pc

When i run games they crash after about a few minutes. The whole computer just restarts. I am running dual monitors while running gpuz and coretemp to see if temps may be a problem. They are not. Is this most likely a power supply problem?

The main parts of my rig are as follows.

Asus Z87 PRO mobo
Intel Haswell 4770k
Galaxy 780 HOF
XFX 850 PRO black edition psu
Kingston Hyperx 2400
6 answers Last reply Best Answer
More about gaming crashes
  1. It could be the PSU though XFX are normally good, I would run Memtest to rule out RAM and try running CPU & GPU stress tests to see what happens.
  2. Are you overclocking your CPU or GFX card ?
  3. hubbardt said:
    Are you overclocking your CPU or GFX card ?


    No. And i havent run memtest but ive ran aida and msi kombustor.
  4. Does it bluescreen and then reboot or just freeze?
    If you get a bluescreen try disabling the automatic reboot
    http://pcsupport.about.com/od/windows7/ht/automatic-restart-windows-7.htm
    The error message may give a clue e.g. NVIDIA.SYS means the GFX drivers bluescreened
  5. hubbardt said:
    Does it bluescreen and then reboot or just freeze?
    If you get a bluescreen try disabling the automatic reboot
    http://pcsupport.about.com/od/windows7/ht/automatic-restart-windows-7.htm
    The error message may give a clue e.g. NVIDIA.SYS means the GFX drivers bluescreened



    The whole computer just shuts down and restarts. No bluescreen
  6. Best answer
    It does sound like the power supply, try running with just the onboard graphics with the 780 removed, if it runs OK its likely the power supply but it could be the 780.
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