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Computer randomly restarts when gaming, HELP!

Hello, my newly build computer is running "Assassin's creed black flag" so smooth, but after about 5 minutes it just randomly restarts. The whole computer is out for 2 seconds and then it starts up again. When it come back on, there is no error box or anything.
I'm pretty sure it have nothing to do with the temperature, because its pretty low!

My specs:
CPU - Intel i5-4670K 3.40 GHz
Motherboard - gigabyte ga z87x ud4h
GPU - GeForce GTX 760 2GB
8GB Corsair RAM
PSU - energon eps-650w cm
Samsung 256GB SSD
WDC 600 GB

Everything is all new from this Christmas, what to do?
8 answers Last reply Best Answer
More about computer randomly restarts gaming
  1. Well generally this problem is due to a lose connection. Open up the rig and check all connections (wiring, placement of rams etc.) and then try running the game.
  2. tshrjain said:
    Well generally this problem is due to a lose connection. Open up the rig and check all connections (wiring, placement of rams etc.) and then try running the game.


    Thanks for the fast answer ! ^^ :)
    I just double check, and it seems like everything is in place, and all wires is correctly placed ?
  3. 1-Make absolutely clear that all is well connected at your PC.
    2-Are your rig overclocked ?, if so then make a clear CMOS at mobo and test it at stock configurations. If PC works well after doing this, then you have bad OC configurations, then look for stable speeds( many times the pc randomly restarts when gaming is due to unstable speeds OC activities).
    3-Check your PSU, never seen energon brand, so I dont trust it at all, ( many times when the pc randomly restarts when gaming is due to PSU issues, such as bad voltage regulations, extremely high noise and ripple levels, or lack of power).
  4. juanjostorreshernndez said:
    1-Make absolutely clear that all is well connected at your PC.
    2-Are your rig overclocked ?, if so then make a clear CMOS at mobo and test it at stock configurations. If PC works well after doing this, then you have bad OC configurations, then look for stable speeds( many times the pc randomly restarts when gaming is due to unstable speeds OC activities).
    3-Check your PSU, never seen energon brand, so I dont trust it at all, ( many times when the pc randomly restarts when gaming is due to PSU issues, such as bad voltage regulations or lack of power).


    My rig is all standard, nothing is overclocked.
    How do i check if there is any bad voltage regulations or lack of power, with the PSU?
  5. Best answer
    voltage regulation specification on +12v ATX PSUs is 5% from nominal values, wich means 11,40V minimum, and 12,60V maximum on +12v rails.

    The voltage on the outputs from the power supply must be as close to their nominal values as possible, voltage tends to drop with the increase in load, so for instance maybe you have +12v reading of 12,00V, but when load(gaming) you can experience some drop to 11,20V for instance, then in this case you will experience random restarts when gaming cause you will be under minimun specification alowed(11,40V)

    you can see your voltages at bios setup hardware monitor (not load).
    And use some software such as AIDA64 to stress your PC and see how PSU voltages perform.(+12v is the most important rail, also +3,3V, and +5V rails)
    negative rails specs are 10% from their nominal values.

    http://www.hardwaresecrets.com/article/Everything-You-Need-to-Know-About-Power-Supplies/181/11

    I recommend to change your PSU asap, cause to really bad opinions all over the web about that energon PSU. also only 550W on +12v rails(wich is 45A) on a 650W laveled PSU give me bad dreams. Its not even 80plus certified, so i gess its efficiency is under 75%, also very poor connectors for that range of PSU, the max power current rating is peak or continuous rating?. You better get something like XFX, Antec, Corsair TX,HX,AX series as most recommended on this days been on tier 1-2 list, most of them using Seasonic topologies, the best of the best on PSU market, with more than 37 years of experience.
  6. juanjostorreshernndez said:
    voltage regulation specification on +12v ATX PSUs is 5% from nominal values, wich means 11,40V minimum, and 12,60V maximum on +12v rails.

    The voltage on the outputs from the power supply must be as close to their nominal values as possible, voltage tends to drop with the increase in load, so for instance maybe you have +12v reading of 12,00V, but when load(gaming) you can experience some drop to 11,20V for instance, then in this case you will experience random restarts when gaming cause you will be under minimun specification alowed(11,40V)

    you can see your voltages at bios setup hardware monitor (not load).
    And use some software such as AIDA64 to stress your PC and see how PSU voltages perform.(+12v is the most important rail, also +3,3V, and +5V rails)
    negative rails specs are 10% from their nominal values.

    http://www.hardwaresecrets.com/article/Everything-You-Need-to-Know-About-Power-Supplies/181/11

    I recommend to change your PSU asap, cause to really bad opinions all over the web about that energon PSU. also only 550W on +12v rails(wich is 45A) on a 650W laveled PSU give me bad dreams. Its not even 80plus certified, so i gess its efficiency is under 75%, also very poor connectors for that range of PSU, the max power current rating is peak or continuous rating?. You better get something like XFX, Antec, Corsair TX,HX,AX series as most recommended on this days been on tier 1-2 list, most of them using Seasonic topologies, the best of the best on PSU market, with more than 37 years of experience.


    Okay thanks you so much for you advice!
    i just ran a stress test, and everything looked fine?
  7. hollebn said:
    tshrjain said:
    Well generally this problem is due to a lose connection. Open up the rig and check all connections (wiring, placement of rams etc.) and then try running the game.


    Thanks for the fast answer ! ^^ :)
    I just double check, and it seems like everything is in place, and all wires is correctly placed ?


  8. may be your smps not able to regulate voltage and 2 nd mothrebord facing probleam
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