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Desktop computer will not turn on... Sometimes.


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#1 erik2282

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Posted 14 September 2014 - 12:01 AM

Fractal Design Case

Gigabyte board

Corsair 650 watt PSU

Evga GTX 550ti video card

i7 sandy bridge, stock heat sink/fan

 

I built this computer about 2 years ago and have had 0 problems with it. About 1-2 months ago I turned it off and when I try to power on, it did nothing. I press button several times and nothing.

 

 

Check out ok:

PSU with tester OK, I dont know how to test the motherboard.

Checked all connections by completely disconnecting every cable/connector, blow out with air can, and reconnect carefully.

APC ups is running ok, checked all outlets with monitor and lamp, all ok

replaced PC power cable, ok

 

So after trying all these things, I was on my laptop and suddenly, the computer turns on by itself and boots to operating system normally. wtf? I logged in and everything runs normally. I shut the computer down and press power button to test and it powers on ok.... Weeks pass and I turn computer off again and the same exact thing happens, wont turn on at all until i give up and Im doing something else and out of the blue, it will turn on by itself again. Just happend a couple hours ago again, it turn on by itself and I'm on it right now.

 

It will not turn off on it's own or anything, once its powered on, it runs like a champ. Also, there is not motherboard lights when trying to turn on. its just dead.....

 

Any ideas??



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#2 Condobloke

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    Outback Aussie @ 54.2101 N, 0.2906 W


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Posted 14 September 2014 - 12:32 AM

G'day erik and welcome to BC.

 

 

Have you been able to test the start button ?


Condobloke

Outback Australian  

 

fed up with Windows antics...??

 

LINUX IS THE ANSWER

 

I USE LINUX MINT 18.3  EXCLUSIVELY.

 Failure is not an option. It comes bundled with your Microsoft product.

 

Success is not Final, Failure is not Fatal,

 

It is the Courage to Continue that Counts.

W.C. 4th June 1940

 

 

 


#3 erik2282

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Posted 14 September 2014 - 12:58 PM

Hello and Thank you.

 

I have not tested the start button, how do i do that?



#4 Condobloke

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Posted 15 September 2014 - 05:09 AM

This is not something that i have done myself unfortunately....it appears to be somewhat complex, given that wiring has to be traced to the motherboard etc etc

 

Can you trace the leads from the power button to the motherboard, and remove them and press them back on again ??

 

Very Carefully of course !!.....be SURE to earth yourself to protect against electrostatic discharge

 

http://www.computerhope.com/esd.htm  <<<<<  Read This Please !!!


Edited by Condobloke, 15 September 2014 - 05:09 AM.

Condobloke

Outback Australian  

 

fed up with Windows antics...??

 

LINUX IS THE ANSWER

 

I USE LINUX MINT 18.3  EXCLUSIVELY.

 Failure is not an option. It comes bundled with your Microsoft product.

 

Success is not Final, Failure is not Fatal,

 

It is the Courage to Continue that Counts.

W.C. 4th June 1940

 

 

 


#5 erik2282

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Posted 15 September 2014 - 09:29 AM

Condobloke, 

 

I will try re-connecting the power wires the board today. thank you.

 

 

Jasmeencress, 

 

This computer has Debian Linux on it, not Windows. Still, thank you for your comment.






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