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When computer shuts down, I can't turn it back on


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ForestPoe's Avatar
ForestPoe ForestPoe is offline
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17-Feb-2012, 05:38 PM #1
Exclamation When computer shuts down, I can't turn it back on
Hey everyone, I'm having some hardware issues.

If I shut my computer down, I can't boot it up again until I turn the power supply off and the red power light on the motherboard turns off. After that I can get into Windows and not experience any problems. Restarting is fine, as well as leaving the computer in sleep mode.

I know it's not my case's power button, because it functions as it should and I already plugged the wire in and out from the motherboard. As for the power supply, I ran a test by running Crysis (heh) and my computer didn't shut off or anything. I'm not confident that the PSU is not part of the problem though.

What could I do to fix this? I don't understand much about computers, it was actually my friend who help me set this build up, so I would really appreciate the help!

My setup:

- ASUS P8Z68-V/GEN3
- CORSAIR Enthusiast Series TX750
- CORSAIR Vengeance 8GB (2 x 4GB)
- Intel Core i7-2600 3.4GHz
- Windows 7 64-Bit
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17-Feb-2012, 06:32 PM #2
I've seen this several times. Faulty power supply.
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ForestPoe ForestPoe is offline
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17-Feb-2012, 07:01 PM #3
Could I take my build to a tech shop and have them do a test on the power supply and confirm it without having to replace the unit? Or would I have to buy a new one to see?
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Triple6   (Rob) Triple6 is offline
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18-Feb-2012, 11:08 AM #4
Of course then can test it, but they may want to charge you a bit for that. Can you borrow a PSU from another computer?
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ForestPoe ForestPoe is offline
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20-Feb-2012, 07:00 PM #5
Thanks for the suggestions guys. It seems like it was the power supply. Suddenly half of my memory stopped showing up and when I took the case apart noticed there's white goop all over the PSU. Maybe even blown capacitors. Hardware didn't make any sound though.

Took it to a repair shop and now they're doing a diagnostic. I'm pretty much freaking out right now. How big are the chances my whole computer is unusuable now?

When I last shut it down, it seemed okay, besides for missing half of my RAM. And the old hard drive (8 years) had pink goop under it, but that could have been there for years, I guess.
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Triple6   (Rob) Triple6 is offline
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20-Feb-2012, 09:18 PM #6
There's a chance some or all the hardware could have damaged if a power supply failure badly, but generally if a PSU fails it doesn't take out the rest.
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Tags
boot, motherboard, power supply, turn off, turn on

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