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Fried PSU?

post #1 of 27
Thread Starter 
So last week I bought an 800D. I moved my rig into the new case and everything worked just fine for about an hour. Then it suddenly shut down and from that point on, any attempts to boot it would simply yield a tiny flicker of the power supply fan.

At first I thought I had misplaced a standoff which was causing the motherboard to short, so I took everything out. Lo and behold, there was an extra standoff. I removed the standoff and then put everything back in the case.

Still nothing

Next I tried jump starting my PSU with a paperclip, and it seemed to be functioning perfectly, so I figured it had to be a motherboard problem. I took the motherboard out of the case and placed it on a cardboard box. I stripped it down to the bare minimum: CPU, cooler, and 1 stick of RAM.

STILL NOTHING.

This is the weird part: When I try to boot the system with EATX 12V cable plugged in, nothing happens. BUT, when I try to boot it with that cable unplugged, the psu sends power to the rest of the components.

What could be the reason for this problem? I'm so confused.

P.S. Sorry for the long post. I really appreciate any help you can give me.
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post #2 of 27
do you see any blown caps on your motherboard anywhere? or maybe a slight funky smell coming from the psu?
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post #3 of 27
Make sure all the motherboard tray standoffs are installed properly, you may be shorting your motherboard.
    
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post #4 of 27
Thread Starter 
Quote:
Originally Posted by firebirdjimbo View Post
do you see any blown caps on your motherboard anywhere? or maybe a slight funky smell coming from the psu?
No, there is no visible damage to the motherboard and the PSU seems to be working (it runs fans, hard drive, and disc drive when I jumpstart it with a paperclip).
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post #5 of 27
I had the same problem.


PSU is gone, RMA it. Happened to my x-650w
post #6 of 27
Thread Starter 
Quote:
Originally Posted by kcuestag View Post
Make sure all the motherboard tray standoffs are installed properly, you may be shorting your motherboard.

Wow. Sorry if I sound like an ass, but did you even read my original post? The same thing happens when I try to boot it outside of the case.
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post #7 of 27
Thread Starter 
Quote:
Originally Posted by The Master Chief View Post
I had the same problem.


PSU is gone, RMA it. Happened to my x-650w
I was afraid of that.

I guess I'll have to ask my friend to borrow a psu to confirm that this is the problem.

Thanks. +rep
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post #8 of 27
Quote:
Originally Posted by jfiaff View Post
Wow. Sorry if I sound like an ass, but did you even read my original post? The same thing happens when I try to boot it outside of the case.
Alright, my bad, I did not see it, I apologize
    
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post #9 of 27
Thread Starter 
Quote:
Originally Posted by kcuestag View Post
Alright, my bad, I did not see it, I apologize
That's alright. Sorry for being a douche. This is just very frustrating.
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CPUMotherboardGraphicsRAM
Phenom II X6 1055T @ 4GHz GIGABYTE GA-870A-UD3 SAPPHIRE TOXIC Radeon HD 5850 1GB G.SKILL Ripjaws 4GB DDR3 
Hard DriveOptical DriveOSMonitor
Intel 40GB SSD WD Caviar Black 1TB ASUS DVDRW Windows 7 Home Premium 64-bit ASUS Glossy Black 23" 
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1055T
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CPUMotherboardGraphicsRAM
Phenom II X6 1055T @ 4GHz GIGABYTE GA-870A-UD3 SAPPHIRE TOXIC Radeon HD 5850 1GB G.SKILL Ripjaws 4GB DDR3 
Hard DriveOptical DriveOSMonitor
Intel 40GB SSD WD Caviar Black 1TB ASUS DVDRW Windows 7 Home Premium 64-bit ASUS Glossy Black 23" 
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post #10 of 27
It's ok, I'd be in a very bad mood too!

It does indeed sound like a dead PSU then... Just unbelievable how it died

Good luck with your friend's PSU, best of luck
    
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CPUMotherboardGraphicsGraphics
Intel Core i7 7700k ASUS Maximus IX Formula EVGA GTX1080 Ti *soon* EVGA GTX1080 Ti *soon* 
RAMHard DriveHard DriveHard Drive
16GB Corsair Dominator Platinum 2666MHz CL16 Samsung 950 PRO M.2 512GB WD Red 4TB WD Green 1TB 
CoolingOSMonitorKeyboard
Corsair H110i GT Windows 10 PRO ASUS ROG Swift PG279Q Corsair K70 RGB MX Brown 
PowerCaseMouseMouse Pad
EVGA Supernova T2 850W Phanteks Enthoo Luxe Logitech G900 Chaos Spectrum Razer Destructor 2 
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