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NEED HELP troubleshooting computer turned off randomly wont boot

Tags:
  • GPUs
  • Power Supplies
  • Computers
  • Boot
  • Components
Last response: in Components
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March 11, 2014 7:20:55 PM

There I was playing a game and my computer just shut off and won't boot, I took it apart and shorted the psu with a paper clip, it turns on fans works, and the led lights it has in it all show up, then I checked to see if everything was connected properly, and took out the gpu and the computer starts up and I get a long beep, guessing because I don't have the gpu in? I put the gpu back in and the computer won't start or boot, nothing turns on.

Case: Cooler Master HAF 912
Mobo: ASUS SABERTOOTH Z77
cpu: i5 3570k@4.5ghz
Mem: G.SKILL Sniper Gaming Series 32GB
GPU: gtx780 Galaxy HOF@1241mhz
Psu: Rosewill LIGHTNING-800W gold
ssd: OCZ Vertex 3 240gb
hdd: Seagate Barracuda 2tb

More about : troubleshooting computer turned randomly wont boot

a c 167 ) Power supply
March 11, 2014 7:26:42 PM

It sounds like the PSU might have died. All the paper clip trick will do is prove the turn-on signal functions and that the fan runs. It still may not be outputting the correct voltages.
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March 11, 2014 7:32:30 PM

i just hooked up everything and a screen to my mobo and it boots fine with out my gpu, could that indicate it still being a psu problem?
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a c 167 ) Power supply
March 11, 2014 7:35:17 PM

Yes, if the PSU can't supply the +12V current to the card. But since the PC runs fine w/o the gfx card, it could also mean that the card is the problem. See if you can try the card in another PC. Or maybe you can try another card in your PC.
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March 11, 2014 7:44:27 PM

The other pc I have is too small to fit my big card in, the pc I'm using now has a hd7850 in it I could probably throw into my computer but wouldn't it use less power then my 780? I also got an extra 500w power supply lying around, is there in repercussions hooking the graphics card upto it only and connected to my mobo?
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a c 167 ) Power supply
March 11, 2014 7:53:09 PM

If you mean you want to use 2 x PSUs in one PC, you can. Use something like this to turn on the 2nd PSU: http://www.newegg.com/Product/Product.aspx?Item=9SIA297...
You can then use the most powerful one for the gfx card. But try the HD 7850. It may cause the same failure, and then you'd know it was the PSU.
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March 11, 2014 8:20:24 PM

yeah the computer boots with the 7850 in it, man this sucks if its my card
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March 11, 2014 9:06:06 PM

yeah the other power,supply is dead I guess, thought it might work, but I can't short it to get it to start up. Is there any other way I can tell if my PSU is the problem and not the card? I guess I'd have to rip apart the smaller comp for the power supply in order to find out.
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a c 167 ) Power supply
March 12, 2014 11:23:38 AM

Rue22 said:
yeah the other power,supply is dead I guess, thought it might work, but I can't short it to get it to start up. Is there any other way I can tell if my PSU is the problem and not the card? I guess I'd have to rip apart the smaller comp for the power supply in order to find out.


You could turn on the PC (or use the 'paper clip' trick to turn on the Rosewill PSU outside the case) and then read the voltages at the 24 pin connector with a voltmeter.
http://cdn.overclock.net/d/da/da87333a_ATX24-1.jpeg

Or pick up one of these: http://www.amazon.com/Rosewill-Digital-Supply-Tester-RT... and read the voltages.

Did you buy all the PC components new, or is one of them bought used?
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March 12, 2014 11:26:24 AM

I bought all my parts new, I tried to install the the hd7850, I removed all the drivers with display driver remover and when I install amds new drivers and boot up it hangs at the windows start up screen then goes black. The Computer works fine with my Igpu atm its all I can use.
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a c 167 ) Power supply
March 12, 2014 11:35:08 AM

Well... that adds another element to the case. It gets stranger every time you return with more info... ;-)
Let's be sure you don't have some registry errors causing issues. Run CCleaner and have it do the Clean and Registry portions both. Run it more than once... until it returns no errors.
https://www.piriform.com/ccleaner

Motherboard, gfx card, PSU? We keep adding more variables.
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March 12, 2014 11:45:15 AM

clutchc said:
Well... that adds another element to the case. It gets stranger every time you return with more info... ;-)
Let's be sure you don't have some registry errors causing issues. Run CCleaner and have it do the Clean and Registry portions both. Run it more than once... until it returns no errors.
https://www.piriform.com/ccleaner

Motherboard, gfx card, PSU? We keep adding more variables.


Did that already, I have no errors, drivers still don't work, was suggested to me by a friend to try a clean install of windows on another hard drive, I got a spare 750gb laptop hard drive, seems like alot of hassle to troubleshoot my hd7850 driver problem now on top of all this when the card worked fine in my wife computer. Did everything right as far I know last time. I had to RMA a gtx780 before because the galaxy boost feature wouldn't work, removed its drivers, Re-installed the hd7850 with no problem. Now this time I'm having nothing but a headache.

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a c 167 ) Power supply
March 12, 2014 11:53:57 AM

Have you run Driver Sweeper from Safe Mode?
This version: http://www.techspot.com/downloads/4266-driver-sweeper.h...

There still might be conflicts from previous drivers. Whenever I run DS, I end up seeing remnants being found that didn't get removed by the drivers' uninstall app.
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March 12, 2014 2:03:26 PM

Yeah did the drive sweeper, booted up re-installed the amd drivers and again I get a black screen, I restart and do a windows repair and then windows installs the vga adapter, and device manager the card is not displayed, one headache after another.
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March 12, 2014 2:23:10 PM

Ok now another problem, since I have to keep switching from auto to igpu in my bios, the bios locked up, ended up having to press the bios recovery button in the back of my mobo, works now, then after trying to run driver sweeper once again, I started windows up and now the screen freezed up, I can't find anything unusual from the events viewer log other from the kerenel power error which is probably from me manual resetting the computer.

Now when I try to start up the computer it hangs up every so often and I have to hard reset it, when I go into bios the bios keep hanging up too, so Now I'm concerned about my Mobo, everythings going wrong, and I've been trying to figure this out for the last two days and searching google. I'm getting frustrated as hell ugh.
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a c 167 ) Power supply
March 12, 2014 3:38:47 PM

Well, I doubt everything is bad. It is more than likely one component. MB, Card, or PSU. Have you tried breadboarding it with just MB, CPU/cooler, 1 stk memory in 1st slot, PSU, monitor? See if you can get it to screw up with no drives attached, no front panel connections. While the MB is out of the case, check for a misplaced/extra standoff that may be grounding out the back of the board.
If all seems well, start connecting components one by one.
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March 12, 2014 4:00:54 PM

Running memtest at the moment, not sure what breadboarding is, I think another possibility is I set the mobo to power saving mode and might have under voltaged the cpu, running memtest for any other possible problems, I noticed before my network device keeps powering on and off and resetting the internet. More things keep telling me its the power supply from what I read on google and the forums So I don't know. Thanks alot for Helping me Clutchc much appreciated, never been so fusterated with my system before, everything was running just fine yesterday morning now I'm faced with the ultimate what to do moment in my noob pc builder hobby.
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a c 167 ) Power supply
March 12, 2014 5:12:46 PM

Rue22 said:
not sure what breadboarding is...


Basically it is what I described above. Taking the MB and setting it on an insulated surface outside the case and attaching those essentials. Then you would momentarily short the two pins that the power button would connect to in order to start it. The PC should be able to boot to BIOS, or boot to the point it looks for the missing C: drive. Then you can add the drive to the system and see if it will become unstable again. Basically, it is eliminating as many variables as possible.

Let me know how the memory test ends up. You may want to do one stick at a time for at least one full pass. That way you'd know which stick was bad, if any errors show up.
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March 12, 2014 7:50:55 PM

So after testing everything and not coming to a conclusion I reinstalled windows, and now the drivers work for the hd7850, So now that the system is working I plugged in the 780 once again just to see and the system would not start, so would you say my 780 is dead? Everything finally points to it being the problem, and probably a drivers problem for the other things, but now its fixed.
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a c 167 ) Power supply
March 13, 2014 12:16:27 PM

Well, it would seem so. I can't imagine that Rosewill 800W Gold PSU not having enough capacity to handle the GTX 780. So that would be my thought too.
Btw, that PSU line gets a high grade from the PSU master, Jonny Guru: http://www.jonnyguru.com/modules.php?name=NDReviews&op=...
...so I don't think it is a problem of poor quality.
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March 13, 2014 6:20:53 PM

clutchc said:
Well, it would seem so. I can't imagine that Rosewill 800W Gold PSU not having enough capacity to handle the GTX 780. So that would be my thought too.
Btw, that PSU line gets a high grade from the PSU master, Jonny Guru: http://www.jonnyguru.com/modules.php?name=NDReviews&op=...
...so I don't think it is a problem of poor quality.



Well when I bought everything I wanted it all hard core gaming look, I tried to go for the best quality components for my style. I'm thinking its the the card for sure now, I'm been running the computer all day with no hang ups or problems what so ever and HWmonitor voltage all looks good. I contacted Galaxy and waiting for them to contact their RMA department. here's what it did look like:(  Sad I got to wait around for a new card


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a c 167 ) Power supply
March 13, 2014 7:58:36 PM

Nice looking build. You did a good job. At least you still have a working PC, even if it is with a lesser card.
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