What is unit failing to power on?


My computer is failing to power on. I know the motherboard is getting power because there is an LED on the board that lights up when the machine is plugged in. I checked the wires that run to the power button and they appear to be connected properly.

I attempted to clean the fans and heat sink of dust and blew evey bit of dust out of the computer. When I replugged in the machine and turned the power on, the fan moved a tiny amount (never actually turned) but then stopped. This only happens when I first plug the machine in.

Recently my machine rebooted for no reason ( i believe it was over heating) so I placed an exterior fan against the side gills to blow cool air into the machine. It was about 2 weeks after this reboot that the machine finally wouldn't start.

If you have any suggestions, please let me know. Thank you.


This question was answered on June 28, 2005. Much of the information contained herein may have changed since posting.

Sounds like this unit could use a new power supply Often times the light on the motherbaord will power on, but the unit will still not turn over This is a fairly inexpensive item to replace Usually anywhere from $20-$80.

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Posted by adam of Chandler-Gilbert Community College on June 28, 2005