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CPU fan run excessively fast and does not boot.

by hawkg01 / May 17, 2008 11:26 AM PDT

Hi I would appreciate any advice regarding my Dell Optiplex GX 280 running XP, upon start up the PC does not appear to go through the boot procedure, the keyboard light does not come on and the fan for the the cpu runs extremely fast and loud, occasionally I can get it to start properly by restarting the pc when I do this the PC runs fine and the fan runs at normal speed and sound levels.

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Looks dead?
by R. Proffitt Forum moderator / May 17, 2008 12:44 PM PDT
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(NT) PS. Wild guess? BAD CAPS. Google that.
by R. Proffitt Forum moderator / May 17, 2008 12:44 PM PDT
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Clean it,
by Dango517 / May 19, 2008 5:36 PM PDT

sounds like the CPU cooler is so clogged with dust it is over heating almost immediately. There are a number of videos on YouTube to show you how to do this.

This thread is untracked.

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optiplex gx280 will not boot and fan runs extremely fast
by gmeechan / February 28, 2009 7:52 PM PST

My dell optiplex 280 will no longer boot but the cpu fan sounds like an aircraft taking off. I had this problem on and off and it usually came good after several reboots. No luck this time. Any clues

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"usually came good after several reboots.
by R. Proffitt Forum moderator / February 28, 2009 10:10 PM PST

"usually came good after several reboots." is THE classic symptom of bad caps. You found it.

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