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My computer keeps shutting down during games. What is the problem?

I have a prebuilt Dell Inspiron 3847 (specs)with a GTX 750 Ti card, and it works pretty well.
Only problem is the fact that it keeps rebooting as if someone pulled the plug on some games, like CSGO and Cities: Skylines. I've tried cleaning out dust and upgrading my BIOS, and it still happens.
What's the problem?

EDIT - wrong link
11 answers Last reply Best Answer
More about computer shutting games psu problem
  1. This could be some sort of overheating issue. Download CPUID hardware and monitor your CPU temperatures and GPU temperatures
    http://www.cpuid.com/softwares/hwmonitor.html
    If it runs really hot it means your computer has emergency shut down so your components won't get fried/destroyed

    If your game lags and then crashes then that means the GPU doesnt have good airflow in order to get better airflow unfortunately you will need a better case.


    But how many watts is your power supply?
    You need at least 400w - 500w to run this sort of gpu just to be safe.
    If you have less that means your psu cant handle that many watts. If thats the case your lucky your power supply didnt blow up

    Hope this helps :)
  2. System Power Supply Requirements for a single GeForce GTX 750 Ti
    NVIDIA specifies a minimum of a 300 Watt or greater system power supply. (Minimum system power requirement based on a PC configured with an Intel Core i7 3.2GHz 130 Watt TDP processor.)
    the system power supply must also have a maximum combined +12 Volt continuous current rating of 20 Amps or greater
    the system power supply should also have at least one 75-Watt 6-pin PCI Express supplementary power connector for some of the non-reference design cards (e.g. ASUS GTX 750 Ti OC 2 GB [GTX750TI-OC-2GD5], EVGA GeForce GTX 750 Ti FTW w/ EVGA ACX Cooling [02G-P4-3757-KR]).

    Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

    Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

    The Dell Inspiron 3847's 300W PSU with its maximum combined +12 Volt continuous current rating of 18 Amps is more than sufficient to power that system with its Intel Core i3-4130 54W TDP processor.
  3. Cazauxx said:
    This could be some sort of overheating issue. Download CPUID hardware and monitor your CPU temperatures and GPU temperatures
    http://www.cpuid.com/softwares/hwmonitor.html
    If it runs really hot it means your computer has emergency shut down so your components won't get fried/destroyed

    If your game lags and then crashes then that means the GPU doesnt have good airflow in order to get better airflow unfortunately you will need a better case.


    But how many watts is your power supply?
    You need at least 400w - 500w to run this sort of gpu just to be safe.
    If you have less that means your psu cant handle that many watts. If thats the case your lucky your power supply didnt blow up

    Hope this helps :)


    Using that, I noticed that whenever I started a game, my GPU temperature jumped up from 30 C to 80, but I searched online and people said that this was a normal temperature for a graphics card while gaming.
    However, I didn't check the CPU temperatures, and I think that's really the cause of my problem, so I'll look at that and report back.

    EDIT: Almost forgot, here's a picture of my power supply: http://i.imgur.com/SAQiO4f.jpg
    I just remembered that I had to replace the old power supply because the computer wouldn't start with the 750 Ti in it, so I can rule out the power supply problem.
    At this point, I'm sure it's a CPU problem, but I'm not even sure where the CPU is in my computer, much less replace thermal paste or whatever :S
  4. ko888 said:

    The Dell Inspiron 3847's 300W PSU with its maximum combined +12 Volt continuous current rating of 18 Amps is more than sufficient to power that system with its Intel Core i3-4130 54W TDP processor.

    The fact that it's actually a Pentium core shouldn't change anything, right?
  5. YungDaVinci said:
    ko888 said:

    The Dell Inspiron 3847's 300W PSU with its maximum combined +12 Volt continuous current rating of 18 Amps is more than sufficient to power that system with its Intel Core i3-4130 54W TDP processor.

    The fact that it's actually a Pentium core shouldn't change anything, right?


    Right.

    How old is the PSU?
  6. As in, when did I put it in?
    I put it in the PC about 3 or 4 months ago.

    EDIT: I just checked my event logs, and saw this:
    "The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly"
    Does this confirm it's a PSU problem?
  7. Best answer
    I didn't see your edit where you posted that you changed out the original PSU until just now.

    That LOGISYS PS550A-BK, that you put there as a replacement, is a horrible piece of garbage and should be replaced immediately. It will damage attached components when it dies. Customers that have purchased that specific model of PSU have reported the exact same random shutdown problems as you're experiencing.

    You need to get a better quality PSU.

    If your budget constraints are extremely tight then consider this PSU:
    http://www.ncixus.com/products/?sku=92642&vpn=100-W1-0430-KR&manufacture=eVGA&promoid=1428

    If you want a premium brand Intel Haswell compatible PSU:
    http://www.superbiiz.com/detail.php?name=PS-SSR360G
  8. ko888 said:

    That LOGISYS PS550A-BK, that you put there as a replacement, is a horrible piece of garbage and should be replaced immediately.

    Ouch. lol.
    Thanks for letting me know. I'll try to get that EVGA psu ASAP and report back.
    One question though, why would I choose the $60 psu over the $30 one?
  9. Finally installed the new PSU and now my computer runs great! I can finally enjoy my games.
  10. YungDaVinci said:
    ko888 said:

    That LOGISYS PS550A-BK, that you put there as a replacement, is a horrible piece of garbage and should be replaced immediately.

    Ouch. lol.
    Thanks for letting me know. I'll try to get that EVGA psu ASAP and report back.
    One question though, why would I choose the $60 psu over the $30 one?


    The $60 model is based on a modern DC-to-DC circuit design and is built with premium high end components. This model is fully Intel Haswell compatible.

    The $30 model is based on an old group regulated circuit design and is built using lower quality components. This circuit design doesn't like Intel Haswell's low power C6/C7 power states.
  11. YungDaVinci said:
    Finally installed the new PSU and now my computer runs great! I can finally enjoy my games.


    Good to hear.
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