Question about Dell Dimension 4600 PC Desktop

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HP540J desktop fan starts with boot -- way loud -- and will not stop! The unit is clean, well-ventilated, and I even removed the fan from the motherboard to make sure there was no dust. Ideas??

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You're Dell may have come with a program called SpeedStep from Microsoft. SpeedStep allows you to adjust the CPU fan speed. Currently I came across a patch for MS SpeedStop, open the link provided;
If this doesn't help you can buy a new fan if its out of warranty. Open the link;


Posted on Jun 06, 2010

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Desktop fans do run constantly, you cannot avoid this.

The reason they get loud is because there will be a build up of dust on the fan blades.

To rectify this problem turn off the computer and remove the power cord from the rear. Then you need to remove the side panel from the base unit to expose the motherboard.

You will see that inside the case it is full of dust. Look at the CPU fan (the fan on the motherboard) also take notice of any case fans too, they are at the back.

To clean the fans and the case you can use a clean dry paintbrush or compressed air.

Once the inside of the case is cleaned you will see a noticeable drop in noise.


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