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Bifta · 11-01-2004, 23:16

Check every fan in your case, processor, case fans, power supply, they're normally the culprit, could be the HDD too, I've an old 40 gig WD drive that makes a horrible whistling sound, stick your ear in the case and try and isolate it.

11-01-2004, 23:16	#2
Bifta Inactive Join Date: Jul 2003 Location: Eglinton, Co. Derry Posts: 7,640	Re: High pitched whistling! Check every fan in your case, processor, case fans, power supply, they're normally the culprit, could be the HDD too, I've an old 40 gig WD drive that makes a horrible whistling sound, stick your ear in the case and try and isolate it.