Having problems with your Dell Dimension E521 PC Desktop ?

Noisy system fan

\015 I decided to clean my Dell Dimension E521, using a soft brush. Once cleaned i powered it up and found the fan had started to make a noise like a jet engine. i thought the fan must have become faulty, so i changed it and the new one is making exactly the same noise. the only thing that comes to mind is either the mother board connection is fault or perhaps the powersupply. greatful for any advice\015

Answers :

Here are a couple things to check.

\015\012
    \015\012
  1. Are there other fans (other than the one you replaced) in the system? Many times, even with systems that use one main fan to cool the CPU and case, there can still be a fan within the power supply. There's a good chance that the power supply fan is the noisemaker. Also check for a fan on the video card.
  2. \015\012
  3. Check to make sure there are no wires or debris that could be lying against the fan blades.
My guess is #1 is the culprit.
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