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The visible fan at the top of my tower appears not to be running. Also computer makes a lot of noise and several times when I have turned it on it shuts down. There appears to be a lot of dust on the fan blades. Would a can of forced air help

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The air may help, but it may be the power supply fan may be bad. excess heat is the probable cause for the shut down. when using air, do not allow the fan blades to spin by holding them in place while blowing them. also open the case and do the same for the inside of the case and all cards and fans, especially the cpu fan.

Posted on Dec 02, 2008

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Yes, it can help, have the machine off before spraying.

They Fan may have dust build up all around the blades and in the little motor. while the comp is on, try pushing the fan with a pencil or your finger, if it trys to turn on its own, then its still good and just needs to be cleaned. If it doesnt, then it probably burnt out.

Replacement are around5 to 10 dollars depending.

It easy to do and better than overheating your system, which is what is happening when it shuts down. If the fans are making alot of noise, its do to dust in the bearings and they will probably fail eventually, so be prepared to change those as well.

Take them out and with you to the store so you can match them up and get the right ones. The ones with lights are cool and make it easy to see if they stop spinning.

I would clean out the whole computer with compressed air and remove as much dust from the fans and the processor heat sink as possible.

Remove the side panel and take outside and blow out the air. Hold your breath when you do this as skin cells and hair makes you cough and gag when you breath it.

You should always check at least once a month for dust buildup and clean as necessary. Dust is the leading cause of overheating and eventual system failure.

Good luck

Posted on Dec 02, 2008

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. You could try air but if the fan does not work the computer overheats and shuts down to protect itself.

The air won't hurt, but more likely you have a bad fan which is going to require either you or someone to open the cover, go into the computer, remove the fan, buy a new one and put it back in.


Posted on Dec 02, 2008

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