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PC keeps running even after it's been shut down.

I wonder if anyone can help. I have a laptop with XP pro SP2 office etc etc. My problem is the fan on it. It goes at a fair rate of knots after 1.5 hours. However, sometimes it sounds like a helicopter. God knows what the RPM of the fan is.
This usually when I'm either opening up another browser window or saving something to the HD. Nothing unusual you may say. Well sometimes the fan can go upwards over an hour/2 hours. Then when I shut the pc down. It gets to the log out stage with the fan going like a banshee. Then after waiting sometimes 5 minutes. I give up and turn the battery off.

I think some of the system files have become corrupted and the processes that they're controlling are just not finishing. Therefore the PC keeps trying to complete the task.

Could anyone offer me any advice please. Would be grateful.

Chris
 
Generally, the reason for the fan running on a laptop is because the processor is being used, hence needs to be cooled.


Try a Ctrl-Alt-Delete to look in Task Manager and see what is running... is something hogging the CPU? If there is, is it something you installed or have you been infected?

If you have any AV/Spyware/Adware software, I'd suggest you run them.
 
A fan running at unusually high revs i.e. abnormally may indicate a problem with a temperature sensor - if that is what normally governs the speed. A fan in my desktop PC started doing this, though governed by an external control, and the control had to be replaced. :confused:
 
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