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On Monday 11 June 2007 16:06, Henry Bremridge wrote: > The fan in the power unit of my pc is making an infernal racket. I have > removed the power supply unit, opened it up and emptied it of dust. Fan > still making an racket. I think that the fan is somehow vibrating > > Any ideas on how to prevent this noise much appreciated > > > > -- > Henry > Mon Jun 11 16:06:20 BST 2007 Like Julian, I would simply replace the PSU. You can get them pretty cheaply, but, if you can run to it, the better (read - more expensive) models are much quieter in most cases and also provide a more steady and reliable voltage. A cautionary word - a PSU contains a whacking great capacitor inside which can give you a nasty shcok, even when disconnected from the mains. I would not open one and poke around inside unless you are very familiar with them. Mark -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html