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4 posts

Wannabe Geek

#27226 18-Oct-2008 17:44
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I need to diagnose what has failed in a PC.

The screen locked up and would not respond, I could not shut windows down nor would the reset switch work. Finally I turned the power off.

Now turning the power on it starts for about 1 - 2 seconds and then shuts down.

What is likely to have failed?


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662 posts

Ultimate Geek


  #171988 18-Oct-2008 18:14
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Most likely the power supply.  Past that it could be the motherboard but I'd definately start by swapping power supplies and seeing if that fixes anything.  I take it all the fans etc work fine? 

1427 posts

Uber Geek


  #171989 18-Oct-2008 18:41
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it's looks like motherboard failure to me.

helping others at


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Uber Geek

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  #172044 19-Oct-2008 10:40
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Could be anything - my suggestion would be grab an already working PC, and start swapping components until your computer boots up.  This is really the only way to diagnose a boot up issue.

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