Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!nrl-cmf!ames!amdcad!sun!pitstop!sundc!seismo!uunet!mcvax!ukc!dcl-cs!nott-cs!pyr1.cs.ucl.ac.uk!awylie From: awylie@pyr1.cs.ucl.ac.uk Newsgroups: comp.sys.ibm.pc Subject: Re: Computer Whine Message-ID: <39500022@pyr1.cs.ucl.ac.uk> Date: 23 Sep 88 10:04:00 GMT References: <45900151@uxe.cso.uiuc.edu> Lines: 3 Nf-ID: #R:uxe.cso.uiuc.edu:45900151:pyr1.cs.ucl.ac.uk:39500022:000:136 Nf-From: pyr1.cs.ucl.ac.uk!awylie Sep 23 10:04:00 1988 I dont think that switching power supplies ever change their frequency. Does the whine come from the system unit or from the monitor?