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Need help! Computer won't turn on at all

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  • Computers
  • LED Monitor
  • Components
  • Power
Last response: in Components
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August 17, 2013 12:50:42 AM

So I built my computer last February and it has been working fine sense then (besides a few WiFi disconnects, where my computer won't reconnect until i restart it) but early today I left my computer on to download a few steam games and left my house for a few hours. I came back and I can't start the computer whatsoever. When I press the power button it makes one click like the fans are turning on, then nothing, it is like it is still tuned off. I know my mobo is still getting power because the LED for my power button on my mobo is lit up (also the blue LED for my CMOS is lit up).
I have tried:
Unpluging and repluging all PSU cables (inside and out)
Changing power supply exterior cable
Changing outlets
Taking out then putting back in the CMOS battery

I could use all the help I can get so please don't be afraid to post.
By the way all of my hardware was purchased in the last nine months.

My setup:
PSU: CORSAIR HX Series HX750 750W
GPU: Intel HD Graphics 4000
CPU: Intel Core i7-3770K Ivy Bridge 3.5GHz (3.9GHz Turbo) LGA 1155 77W
Motherboard: MSI Z77 MPOWER LGA 1155 Intel Z77
Case: Cooler Master HAF X Blue Edition

More about : computer turn

August 17, 2013 1:05:39 AM

Disconnect evrything from motherboard hard drive , dvd drive , ram sticks only leave cpu motherboard and psu and try if that doesn't help try to get spare psu that works 100% and try, if doesn't help its motherboard or maybe cpu but its very rare to see cpu fails.
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August 17, 2013 5:48:07 PM

Wolf Tfk said:
Disconnect evrything from motherboard hard drive , dvd drive , ram sticks only leave cpu motherboard and psu and try if that doesn't help try to get spare psu that works 100% and try, if doesn't help its motherboard or maybe cpu but its very rare to see cpu fails.


I tried to disconnect everything but mobo cpu and psu. it didn't work. :'(  I still haven't tried to change out the psu because I don't have an extra one on hand. The hardware is less than a year old, do you really think that the mobo or psu could have failed?
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August 18, 2013 12:21:50 AM

Heavychops said:
Wolf Tfk said:
Disconnect evrything from motherboard hard drive , dvd drive , ram sticks only leave cpu motherboard and psu and try if that doesn't help try to get spare psu that works 100% and try, if doesn't help its motherboard or maybe cpu but its very rare to see cpu fails.


I tried to disconnect everything but mobo cpu and psu. it didn't work. :'(  I still haven't tried to change out the psu because I don't have an extra one on hand. The hardware is less than a year old, do you really think that the mobo or psu could have failed?


I think its psu it goes out of spec for atx power supply on 12v rail. You get stand buy light because stand buy power is on 5v rail yea its power supply 60%.
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August 18, 2013 1:17:10 AM

Wolf Tfk said:
Heavychops said:
Wolf Tfk said:
Disconnect evrything from motherboard hard drive , dvd drive , ram sticks only leave cpu motherboard and psu and try if that doesn't help try to get spare psu that works 100% and try, if doesn't help its motherboard or maybe cpu but its very rare to see cpu fails.


I tried to disconnect everything but mobo cpu and psu. it didn't work. :'(  I still haven't tried to change out the psu because I don't have an extra one on hand. The hardware is less than a year old, do you really think that the mobo or psu could have failed?


I think its psu it goes out of spec for atx power supply on 12v rail. You get stand buy light because stand buy power is on 5v rail yea its power supply 60%.


Do you think I should rma the psu?
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Best solution

August 18, 2013 4:36:25 AM

Heavychops said:
Wolf Tfk said:
Heavychops said:
Wolf Tfk said:
Disconnect evrything from motherboard hard drive , dvd drive , ram sticks only leave cpu motherboard and psu and try if that doesn't help try to get spare psu that works 100% and try, if doesn't help its motherboard or maybe cpu but its very rare to see cpu fails.


I tried to disconnect everything but mobo cpu and psu. it didn't work. :'(  I still haven't tried to change out the psu because I don't have an extra one on hand. The hardware is less than a year old, do you really think that the mobo or psu could have failed?


I think its psu it goes out of spec for atx power supply on 12v rail. You get stand buy light because stand buy power is on 5v rail yea its power supply 60%.


Do you think I should rma the psu?


This is last try ,place the motherboard outside the case on a piece of cardboard and try to turn on .Maybe is grounding on case.If doesn't work short out the green wire to any black (earth) wire with paper clip but before you do that disconnect psu from motherboard and from a wall plug ,after you short green and black plug psu to wall plug but not to motherboard. If power supply doesn't turn on its dead but if turns on try to get some cheap psu and try to turn on pc if cheap psu doesn't turn on the pc send motherboard.
Like this http://i695.photobucket.com/albums/vv313/CyberPowerPC_R...
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August 22, 2013 11:42:38 PM

Thanks for all the help, but it turned out it was just a broken power supply. I was able to borrow one from a friend.
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