Faulty Power Supply

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Peezonk

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Mar 15, 2014
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Hello everyone! I am having a problem that may be related to my power supply. Recently my old power supply was making a very irritating noise, so I replaced it. However after I replaced it I have been having issues with gaming. Now this could be something with the game, but I have uninstalled both, tried all the fixes I could find and it still is an issue. With GTA V the game stutters beyond belief even when I have everything on low. It never did that before my new supply. Another problem is with League of Legends, in the middle of a game, my computer completely freezes and there is no way to get out except shutting down the computer manually. I have tried to fix it by changing settings recommended through many google searches. Again I am not sure whether this is the power supply, but I just want to make sure it is supplying the correct amount of power that it is suppose to be supplying. Is there any way to test it to make sure that it isn't wavering when supplying power?

The power supply that I have is EVGA 100-B1-0600-KR 80 PLUS Bronze 600W Active PFC ATX12V v2.31

Thank you for and advice or help you can give.
 
Solution
turkey3_scratch
While that EVGA PSU is one of EVGA's lesser quality units, it should be fine for that low power build. The first thing you need to do is install MSI Afterburner and tell me your CPU usage of each core while lagging in games, GPU usage, CPU temps, and GPU temps. If GPU usage is at 100%, it is what it is.

And software voltage readings can often be very off. Those readings are taken from a circuit on the power supply not at the output, so very often they are quite wonky from the actual values, but may give a good idea. I doubt it's the PS though. I'd run a memory test. Control Panel > Administrator Tools > Memory test, and also run a HDD scan. If those turn out well and it still freezes, it could possibly be the motherboard or graphics...
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10tacle

10tacle

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EVGA makes good PSUs (they use good OEM PSU manufacturers unlike cheaper PSU brands). Please post your complete computer specs so people have an idea of what your hardware draw is (CPU + CPU cooler, GPU, RAM, components like hard drives and optical drives, and your case). Also let everyone know if you overclock the CPU and/or GPU.

But if you do not have this utility, download it and look at the voltage performance when under load like gaming: http://www.guru3d.com/files-details/hwmonitor-download.html .

You are looking for stability and little change in the "Voltages" readings like this screenshot from the above HWMonitor program: http://www.topfreeware.net/images/utilitiesimg/hwmonitor.jpg

Note that the +3.3v, +5v, and +12v readings all show no change between the current value, minimum, and maximum usage range measurements. These numbers should not fluctuate more than 5% +/- between those range measurements. I doubt it's your PSU, but this is a good start in trouble shooting.
 
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Peezonk

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Mar 15, 2014
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Ok the computer specs are

EVGA 100-B1-0600-KR 80 PLUS Bronze 600W Active PFC ATX12V v2.31
Intel Core i7-3770 Ivy Bridge Quad-Core 3.4GHz
EVGA GeForce GTX 750 1GB
ASRock Z75 Pro3 Motherboard
WD Blue 1TB Desktop Harddrive
G. SKILL Ripjaws Series 8GB (2x4GB)
Case is Antex Three Hundred Illusion Black Steel ATX Mid Tower.

I have done no overclocking on any components.

Thanks for the help, I'll try using that utility and looking at the values. I also doubt it is my PSU but, its the last thing I have changed, so I'm more or less just curious

Edit: Ok so I used that utility too look at the power supply and it does not look like the voltages are varrying. http://imgur.com/Wpk3SUH. I tested it while playing rocket league, and Rocket league is also now stuttering a lot more than it ever did. I have already reinstalled windows, reinstalled my GPU drivers. I'm not sure what it could be.
 
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turkey3_scratch

turkey3_scratch

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While that EVGA PSU is one of EVGA's lesser quality units, it should be fine for that low power build. The first thing you need to do is install MSI Afterburner and tell me your CPU usage of each core while lagging in games, GPU usage, CPU temps, and GPU temps. If GPU usage is at 100%, it is what it is.

And software voltage readings can often be very off. Those readings are taken from a circuit on the power supply not at the output, so very often they are quite wonky from the actual values, but may give a good idea. I doubt it's the PS though. I'd run a memory test. Control Panel > Administrator Tools > Memory test, and also run a HDD scan. If those turn out well and it still freezes, it could possibly be the motherboard or graphics card.

The GTX 750 is not a very powerful card, so don't expect superb performance on games like GTAV.
 
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Solution
turkey3_scratch

turkey3_scratch

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Those aren't power supply voltages anyway. Those are voltages stepped down from the 12V that the motherboard's VRM develops into voltages for the CPU to use.
 
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