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Narrowing down cause of PSU or MOBO failure

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June 14, 2013 3:35:41 AM

Hello Everyone,

I built a PC 15 months ago that has worked absolutely flawless up until tonight. I shutdown the PC and about one hour later I attempted to boot up, and the PC was receiving absolutely zero power. I tried multiple times, and nothing. I checked to see if the PSU fan would even spin, and it was completely lifeless. I believe I have a fried PSU. Luckily it's still under warranty, but I made a few recent changes to the setup of my PC that may of led to the PSU failure, and I was hoping someone could tell me if these caused the PSU failure (If it even is a PSU failure). I also don't currently have a spare PSU to try to see if it could be the MOBO, but I am working on that.


The recent changes made:
1) I recently moved my PC across my room, where no 3 pin outlet is located, so I had to use a single outlet orange 50 ft extension cord which connected to my surge protector outlet strip. To this strip I connect, 2 monitor, my PC, and my Macbook Pro Charger.

2) I recently added a 2nd monitor into my setup. Since then I've been having weird issues w/ my PC that signaled the oncoming PSU failure. For example, both screens completely turned white, and I wasn't able to launch task manager or anything. Only after a Hard Restart was I able to log back into windows. Another signal was while launching a game, my computer just suddenly turned off w/o my command.


Any help will be appreciated, thank you in advance!

p.s. both my motherboard and my PSU have 3 year warranties. Is this type of issue valid to RMA?


Here are my specs:

MB: ASUS P8P67-PRO (Rev 3.1)
CPU: i5-2500k (4.5ghz)
OS: Windows 7 64 bit
GPU: Gigabyte GTX 670
RAM: Corsair Vengeance 8gb (2x4gb)
PSU: Antec 620C NEO ECO (620w)
SSD: OCZ Agility 3 240gb
HS: Hyper 212+ (Artic Silver 5 thermal compound)
2x120mm mounted on Hyper 212+ (Push/Pull)
1x200mm, 1x120mm ( Intake)
1x200mm, 1x120mm ( out)
Push/Pull Configuration
Mouse: Razer Deathadder 3500dpi
Monitor: BenQ XL2410T 120hz (1920x1080)
June 14, 2013 4:45:02 AM

Try the paper clip PSU test
http://www.youtube.com/watch?v=khpnx21oydg

He mentions it, but it needs reiterating, make sure the psu cables are all unplugged from your components. You should be able to safely leave a fan plugged in to verify it's on.
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June 14, 2013 12:32:16 PM

cliffro said:
Try the paper clip PSU test
http://www.youtube.com/watch?v=khpnx21oydg

He mentions it, but it needs reiterating, make sure the psu cables are all unplugged from your components. You should be able to safely leave a fan plugged in to verify it's on.


Thanks, will be trying that pretty soon here, and will post results.
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June 14, 2013 3:50:15 PM

Just tried this w/ and w/o a fan hooked up, neither fans spun. Anybody have an idea to the rest my post?
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!