Question about PC Desktops
Look at the capacitors on the motherboard. These are cylinders scattered all over the place. The tops should be flat. I would suspect that some of them are now bulged up. This means that the main power lines are not being filtered correctly. Over time this will result in oscillation which is what you hear. These parts can be replaced by anyone with experience with multi-layered Pc boards. Let us know if you still have the problem.
Posted on Mar 31, 2008
Can think of only three possibilities:
1. CPU fan motor, bearings needs lubrication or replacement;
2. Power Supply fan motor, same as above or any of the other fans;
3. Hard disk spindle motor (though unlikely).
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FixYa.
Posted on Mar 24, 2008
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