Computer won't turn on, lights flash once/fans spin, what could be wrong?

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avatarair

Honorable
Sep 12, 2012
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10,680
I tried resetting the CMOs manually but that doesn't do the trick. The PSU and mobo are new and I had this problem a while back, however the computer started booting normally afterwards. Now it's randomly reverted to the point where I'm unable to turn it on at all.

What could cause this problem, any way to figure that out or maybe even fix it?

mobo: ASRock Z75 Pro3
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

CPU: Intel i5 2400
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

gfx card: HIS Radeon HD 7770
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: Gskill Ares 4GB RAM *2
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

SSD: Corsair Force Series 3 60GB
Discontinued as far as I can see, no longer in stock on newegg.

Woops! You're right, totally sorry forgot about the PSU.

Corsair CX600M
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139048
 
Solution
B
Damage the system? I doubt it. Damage from a power supply usually occurs when it blows up like a firecracker. It doesn't usually require that much to power up a system, and looking at your specs, you may get away with running on a supply like that for even a short while. All you're really interested in is about a 60 second run, just to show you whether or not you can POST and run the system with a different PSU. If that's the case, you have found the culprit and can easily get the problem sorted. :)
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avatarair

Honorable
Sep 12, 2012
118
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I'm afraid I don't have another PSU to test with, really.I mean I have a 300w PSU somewhere, but it's been banged up since I removed it and wouldn't it possibly damage the system if I used such a low power PSU to power up? unsure :s.

 
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bigpinkdragon286

Splendid
Oct 3, 2012
4,648
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28,590
Damage the system? I doubt it. Damage from a power supply usually occurs when it blows up like a firecracker. It doesn't usually require that much to power up a system, and looking at your specs, you may get away with running on a supply like that for even a short while. All you're really interested in is about a 60 second run, just to show you whether or not you can POST and run the system with a different PSU. If that's the case, you have found the culprit and can easily get the problem sorted. :)
 
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Solution
A

avatarair

Honorable
Sep 12, 2012
118
0
10,680


Well, after unplugging the current PSU and plugging in the old PSU to just the MOBO/CPU/Gfx card, nothing happened.

However, after I plugged in the new PSU to my system, it seems that power is getting through again- however now it seems that the mobo isn't giving out a display :s. I think it seems pretty certain that the mobo is the faulty part now, unless I'm wrong. Not sure what would've caused the corsair to start everything up again though.
 
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