8-years-old PC fails to boot up (PSU is OK)

October 19, 2010 at 08:13:21
Specs: Windows XP
My computer wont turn on, for some reason it has stopped working and fails to start. I know that the power supply is okay as the monitor turns on. Does anyone have any idea as to why it has stopped working and do you have any advice so I can try to get it to start? I have had the computer for about 8 years now and it has been working very well and it was working yesterday.

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October 19, 2010 at 08:54:58
The fact that the monitor turns on has little to do with the state of the power supply even if the monitor does take its power from a socket on the computer. That is just a split-feed from the mains input and has nothing to do with the power supply.

This is assuming that it is a desktop and not a laptop. Even with a laptop it could still be the power supply at fault.

Without any system specs any idea of what could be the problem is will just be speculation.

Do you get anything on the monitor at all? Any bleeps or lack of them. If the monitor is completely blank and the computer is completely dead it is almost certainly the power supply.


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October 19, 2010 at 23:00:46
I have fixed the problem. I took out the PSU, cleaned it and then put it back in again and it turned on again.

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October 20, 2010 at 02:54:26
There you go then. The PSU was full of dust and was overheating and switching itself off. Clean the dust out and everything is fine.

On the other hand it might just have been a lose connection that removing the PSU and replacing it fixed it.


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