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Computer turning off while gaming

Last response: in Components
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March 24, 2013 12:50:58 PM

Hello everyone, my computer has been turning off while playing graphically intensive games. Mainly the new Crysis 3, Battlefield 3, etc. Here are my specs (I've tried to include everything in/connected to my computer):

NZXT PS-NT-PP600-R 600W Power Supply
BIOSTAR A870U3 AM3 AMD 870 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
AMD Phenom II x4 965 @ 3.4GHz
ZALMAN CNPS9500A-LED 92mm 2 Ball CPU Cooler
4x2gb (8gb total) G.SKILL Ripjaws Series 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL8D-4GBRM
EVGA SuperClocked GeForce GTX 660 2GB Video Card
Rosewill RNX-N300X PCI Wireless Adapter
Creative Sound Blaster Audigy SE 7.1 Channels PCI Interface Sound Card
NZXT LEXA BlackLine Black Steel / Plastic ATX Mid Tower Computer Case
Kingston HyperX 3K SH103S3/120G 2.5" 120GB SATA III MLC Internal Solid State Drive (SSD) (Stand-Alone Drive) - Windows Drive
Seagate Freeagent Desktop 250gb External USB Hardrive
Hitachi HDS722020ALA330 2TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
Razer Naga USB Mouse
Razer Anazi USB Keyboard

I don't know if it's my PSU going bad or overheating or what. The CPU cooler is practically new and I applied Arctic Silver Thermal paste and the CPU temps never go aboe 45-48 degrees under load.

It's not BSOD, or anything, just power cuts out. Any suggestions or pointers for me? I'm currently at college, so it may be hard for me to get a hold of non-software testing stuff.

I'm usually good with figuring this stuff out, but I can't seem to figure this one out. Any help is appreciated.
March 24, 2013 12:55:22 PM

Turning off would suggest a power issue.
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March 24, 2013 1:01:26 PM

I agree, but what? Is my PSU going bad? Or is not enough? Or something else? I would think that 600W is still enough for my rig, but I could be wrong.
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March 24, 2013 1:32:45 PM

583W on the 12V rails is plenty. Assuming the PSU is not failing... you could possibly be overloading one of the rails if your CPU and GPU are on the same one. +12V1 is 21A (252W), so ~125W for your CPU and ~140W for your GPU could potentially overload it. I think the first step is make sure they're on separate rails. You'll probably have to check the documentation and how you connected wires.
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March 24, 2013 2:12:29 PM

Sadly, I don't have the documentation for this power supply, mostly because it's older and it got lost somewhere long ago. I'll be looking around online to see if I can find it, but since it is a little old, I'm not too sure.
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a b 4 Gaming
a c 1197 ) Power supply
March 24, 2013 3:44:15 PM

The NZXT PS-NT-PP600-R is a budget power supply based on a cheap five year old Super Flower design.

If the power supply is as old as you say it is then its electrolytic capacitors my be leaking.

If you can borrow a known fully working power supply unit temporarily for troubleshooting purposes then you may be able to determine if that is the cause.
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March 24, 2013 4:59:54 PM

Wouldn't that affect me more than just when I'm gaming? Sorry, I've very bad with power supplies when compared to other computer parts. I don't have a test power supply either that I can troubleshoot with sadly. I'm assuming this is definitely not a heat issue, and more of a power issue.

I mean, it may be time to upgrade to a new PSU anyways. I just don't want to lay down some money and the problem to continue.
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a b 4 Gaming
a c 1197 ) Power supply
March 24, 2013 5:16:47 PM

David Kramer said:
Wouldn't that affect me more than just when I'm gaming? Sorry, I've very bad with power supplies when compared to other computer parts. I don't have a test power supply either that I can troubleshoot with sadly. I'm assuming this is definitely not a heat issue, and more of a power issue.

I mean, it may be time to upgrade to a new PSU anyways. I just don't want to lay down some money and the problem to continue.


If you've got nothing to troubleshoot with then take your system to a tech to do it for you.
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