Having problems with your Dell OptiPlex GX620n PC Desktop ?

Case Cooling fan runs at high speed

\015 I've had this PC for about three years and the cooling fan hardly ever ran. Then a few months ago when ever you turn on the machine the fan would come on at full speed. I opened the case and using canned air I blew out the dust from the CPU heat sink and the power supply. This did help and now the fan runs about half speed. If I touch the heat sink it isn't even slightly warm. Any help would be appreciated, since I'm going deaf !\015\012Thanks in advance,\015\012Vince\015

Answers :

A few possible solutions.

You said that you got some canned air to blew it out... what I normally like to do is simply use a vacuum and **** up as much dust as possible (besides who wants dust in your face?). Once that is done, I would advise that you take off the fan from the CPU cooler itself and get in there with either the canned air or vacuum... simply because with the fan still attached, there is possibly still a layer to caked dust under the fan and on top of the heat sink.

If it is any of the other case fans, I would either get in there and vacuum them out really good or simply replace them. My computer use to sound like a jet engine after 2 years but when I replaced my fans (with cool blue LED ones) it was significantly (can't stress enough) quieter. Most fans are of course using ball bearings, so if you can imagine the bearings getting a good layer of dust in them as well...
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