Computer just died on me.

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Angus Wallace

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May 6, 2014
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Hey guys, Was gaming last night and my computer crashed and the power cut, As if it were yanked from the wall. When I attempted to to turn it on after waiting until morning, the computer would attempt to boot up and then die again.

My first thoughts was to check for any sign of short circuiting/over heating but to no avail. I wondered if perhaps it was my PSU so I removed my GPU to see if less power consumption would do anything, To my surprise it booted and everything seems to be running okay without my GPU installed.

I am posting here mainly to confirm that I should be replacing my PSU? I understand that tech isn't always that easy and something else may be going on.

PSU: Corsair VS550w
CPU: AMD FX-8320 @ Stock
BOARD: Asus m5a78l-m-usb3
GPU: EVGA GeForce GTX 660
MEMORY: 8gb Crucial DDR3 @ 1600 Mhz
HDD: WD BLUE 1TB
 
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DSzymborski
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DSzymborski

DSzymborski

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My first guess, without being at your PC, is a power supply issue. I'm guessing one of the caps has gone and when the GPU needs power, the PSU is becoming unstable. The VS tends to be an entry-level unit in quality. If you don't want to open up the PSU and see if a cap's blown, I'd recommend replacing ASAP. While this isn't a guarantee that it is in fact your problem, it's a reasonable place to start.
 
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Angus Wallace

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[/quotemsg]

My first guess, without being at your PC, is a power supply issue. I'm guessing one of the caps has gone and when the GPU needs power, the PSU is becoming unstable. The VS tends to be an entry-level unit in quality. If you don't want to open up the PSU and see if a cap's blown, I'd recommend replacing ASAP. While this isn't a guarantee that it is in fact your problem, it's a reasonable place to start. [/quotemsg]


Okay, Would you recommend a particular Wattage and brand?
 
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Angus Wallace

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I'm in Brisbane, Australia. The prices are fairly good here, I was on a budget and had to get the most affordable PSU I could, that still had a good brand name behind it. That's why I went with the VS.

 
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DSzymborski

DSzymborski

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I'd probably go with something like this:

PCPartPicker part list / Price breakdown by merchant

Power Supply: Antec High Current Gamer 520W 80+ Bronze Certified ATX Power Supply ($89.00 @ PCCaseGear)
Total: $89.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-06-16 13:12 EST+1000

Your instincts were good, when I mean entry level, I don't mean "oh my God, get that out of your PC before your burn down the neighborhood." It's just that the cheaper Corsairs tend to have disappointing capacitors compared to other brands or the better Corsair models. Your PSU is likely still under warranty, though that would leave you with a wait without the PC.
 
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Angus Wallace

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My Local store has that particular PSU in stock now, So as long as it's definitely going to supply the current build with enough power I think I will pick up that.

Thanks a lot for your help.
 
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Angus Wallace

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Is there anyway I can make sure that it isn't my Motherboard or GPU that's faulty? I don't want to buy a new PSU if it isn't the issue.
 
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zenx

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What exactly are the symptoms when it fails to boot? some beeps and no picture at all then restarting?
You said you checked for short circuits but did you also check all of your usb peripherals? mainly your keyboard and mouse...
I had a similar problem a while back and the problem was actually that my keyboard chord was kinda short and from all the pulling it had a short inside that only occurred when the cable got in a certain position. Results were the same.. blue screen crash then failure to boot up with no picture at all as if the GPU was gone... I removed it... and it worked with the one on the MB. After about 2 hours of removing parts one by one and starting it up... I kinda realized it so I yanked out all my USB cables and the pc started up with the GPU and everything installed :) So yea you should try that as well

But otherwise it's probably what the others said, and also I would try borrowing a psu from a friend for testing and test the card in another pc as well.. just to be sure before you give up and spend money :)

Cheers
 
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Angus Wallace

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When the GPU is installed, everything tries to boot up for about 2 seconds and then loses power again. No beeping or blue screens. I literally cannot power up the system at all with it in the PCI Slot. I've tried to boot the computer with PSU hooked up to the GPU and Without the PSU hooked up to the GPU. As long as it is in the PCI slot the computer doesn't boot.

I'm taking the Graphics Card to get tested. My motherboard isn't terrific either so perhaps that caused an issue somewhere along the line.
 
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