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PC does not boot no more. Need help!

post #1 of 10
Thread Starter 
Hi, guys. I seem to have got a problem here.

My PC powered off 30 minutes ago and cant be turned back on again. The PSU appears to be OK since the light on the mobo is on. Once I hit the power button the fans would make an effort to spin for 1/10 of the second, then nothing.

The rig is as my sig says. And I have got no major issue before this incident.

Is my mobo or CPU dead? I would like some advice here.

Thanks in advance.
BluePiglet 5
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BluePiglet 5
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post #2 of 10
That sounds like the power supply to me, since it's making an effort to power up and then doesn't. Is there any way you can test your rig hooked up to a different supply?
post #3 of 10
Huh, sounds like the problem I had with my first motherboard, would press the power button, lights would come on fans spin up for a few seconds then nothing, then the lights would come back on fans spin up and nothing, just kept repeating like that.


RMA'd my motherboard (I'd bought the wrong one anyway, no SLI rolleyes.gif ) ordered a new one swapped everything over and then huzzah it worked! So my guess would be the motherboard, might be the PSU but seems unlikely if it powers up.

Just my thoughts anyway, good luck thumb.gif
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Current build
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post #4 of 10
Have you tried to reset your BIOS?

on resetting your BIOS just remove your MoBo battery for 2 mins then return it back...... smile.gif
xd9denz
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xd9denz
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post #5 of 10
Could also be your cpu. Either mobo or cpu.
Jay
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Jay
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post #6 of 10
Thread Starter 
I doubt it is the CPU, since the time that the fans try to spin is really short. And there is not sign that the mobo even start initial the booting sequence. Seems somewhere between the PSU and the mobo does not connect.

There is not spare PSU around at the moment. I guess I will have to borrow a unit....
Edited by bluepiglet - 9/9/13 at 4:12am
BluePiglet 5
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BluePiglet 5
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post #7 of 10
- Leave only barebones plugged in (CPU, Motherboard, PSU) unplug/take out everything else.
- If still no luck, try a different PSU.
- If that doesn't work, take the motherboard out of the chassis and try to run it on a bench. That eliminates shorting issues.

edit: you'll be surprised how many times the same thing has happened to me, i've taken everything out of the case, booted on a desktop and it works.
post #8 of 10
Quote:
Originally Posted by bluepiglet View Post

I doubt it is the CPU, since the time that the fans try to spin is really short. And there is not sign that the mobo even start initial the booting sequence. Seems somewhere between the PSU and the mobo does not connect.

There is not spare PSU around at the moment. I guess I will have to borrow a unit....
Have you tried the paper clip test? I had your same problem. It was the cpu. I bought a new mobo and put my old cpu in. It still din't work. Then I tried my friends Phenom II x4 in my new mobo and it booted. Never tried my old mobo though. Never tried my old mobo though. It would run for a few seconds and then go off. All fans and lights would burn including the cpu fan. Think my mobo took out my cpu. Could have been a short circuit.
Jay
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Jay
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Hard DriveHard DriveCoolingOS
1TB Western Digital 500GB Seagate Barracuda Noctua NH-D15S Windows 8.1 
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post #9 of 10
Thread Starter 
Shocking development!

I unplugged the PCI-E cables from the graphic card, hit the power button and it booted. I figured there was something wrong with either the cable or the GPU so I found 2 4-pin PCI-E adaptors and connected everything to give it a go. Then the unexpected happened.

MASSIVE SPARKS popped out from both adaptors. Both were instantly fried needless to say. I pulled the power cable from the PSU as fast as I could, saving my life. And guess what, once I removed the GPU completely and the rest of the rig seems to be intact. LOL

It was the short protection on the PSU preventing the PC from booting (and being cooked) all these time. I must say, amazing job, Corsair.

Now, I guess I will have to wait for the Hawaii....

Oh, rep+ for everything gave me advices. Thank you very much all.
Edited by bluepiglet - 9/9/13 at 5:17am
BluePiglet 5
(13 items)
 
  
CPUMotherboardGraphicsRAM
2600k @4.6ghz ASUS P8P67 Pro HIS 7950 IceQ G.SKILL Sniper DDR3-12800 4GB x2 
Hard DriveMonitorPowerCase
Intel X25-M G2, WD 640G x3 raid0 SAMSUNG T260 Corsair HX 850w Corsair 800D 
  hide details  
Reply
BluePiglet 5
(13 items)
 
  
CPUMotherboardGraphicsRAM
2600k @4.6ghz ASUS P8P67 Pro HIS 7950 IceQ G.SKILL Sniper DDR3-12800 4GB x2 
Hard DriveMonitorPowerCase
Intel X25-M G2, WD 640G x3 raid0 SAMSUNG T260 Corsair HX 850w Corsair 800D 
  hide details  
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post #10 of 10
Quote:
Originally Posted by bluepiglet View Post

Shocking development!

I unplugged the PCI-E cables from the graphic card, hit the power button and it booted. I figured there was something wrong with either the cable or the GPU so I found 2 4-pin PCI-E adaptors and connected everything to give it a go. Then the unexpected happened.

MASSIVE SPARKS popped out from both adaptors. Both were instantly fried needless to say. I pulled the power cable from the PSU as fast as I could, saving my life. And guess what, once I removed the GPU completely and the rest of the RIG seems to be intact. LOL

It was the short protection on the PSU preventing the PC from booting (and being cooked) all these time. I must say, amazing job, Corsair.

Now, I guess I will have to wait for the Hawaii....
Damn even my PSU wasn't starting as a safety feature but I kept trying and trying and I think that's how my old mobo and chip went frown.gif. Told you it's due to some short circuit.
Edited by jason387 - 9/9/13 at 5:18am
Jay
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1TB Western Digital 500GB Seagate Barracuda Noctua NH-D15S Windows 8.1 
MonitorPowerMouseMouse Pad
Asus MG279Q Fressync OCZ ZS 650 Watt PSU Dragonwar ELE-G9 Dragonwar 
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Jay
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CPUMotherboardGraphicsRAM
FX 8350 4.4Ghz at 1.36v GA 78LMT USB3 Rev 5.0 Sapphire R9 285 OC 16GB Kingston Savage Ram 
Hard DriveHard DriveCoolingOS
1TB Western Digital 500GB Seagate Barracuda Noctua NH-D15S Windows 8.1 
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