Computer will not boot and there are no beep codes

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mjolley

Honorable
Nov 28, 2013
4
0
10,510
Left my computer on when I went out came back and it was off, I just assumed it was asleep however there was no responce when I pressed the on button, I have checked all the connections and the motherboard is still recieving power. When I turn the pc completely off so the motherboard lights turn off then switch the power button on the motherboard lights again flash on and when I press the power button on the mothrrboard the fans spin once there are no beep codes and then the computer will not respond untill I switch it completely off again, I assume it must be the motherboard or power suppy but how can i find out?!/ Any other ideas?

Specs:
Asus pbz68-v pro
Intel i7 2600k
Corsair cx600
2x4gb vengance
Coolermaster cpu fan
 
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avjguy2362

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Jun 21, 2012
732
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11,360
All of your components are fairly high quality, so it is more likely to be the PS. Corsair is good, but anything can fail! There are many output sections of a PS, only one has to fail. So unless you have another PS or PS checker (they are cheap), you will have to start there. I would try to see if you have a friend that has an old PS lying around. It doesn't have to be more than 350 watts, we only want to see if you can get to the desktop. Although yours worked fine before, here is a list of possible problems with no video at boot, see if anything else makes sense!
http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems
 
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avjguy2362

Honorable
Jun 21, 2012
732
0
11,360
Not necessarily. I know it sucks, but you really have to look into the highest probability that the PS is bad. DO you have a volt/ohm meter, you could start with probing the all the various 12 and 5 volt connections that are easy to reach. The simplest is to just get another PS and plug it in to the primary components. If cables reach, you don't even have to take the old one out, just set everything on a table and unplug the old and plug in the test PS. Just looked on Amazon ( NewEggs are pricey! ), they still have some cheap PS testers.
http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=PC%20power%20supply%20tester
 
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