On 06/12/2014 02:08 PM, Keith Lofstrom wrote: > On Thu, Jun 12, 2014 at 07:28:37AM -0700, Dick Steffens wrote: >> My new computer is generating what sounds like a sine wave of about 975 >> Hz. <snip> > If "new computer" == desktop, open it up and listen for the > precise area the sound is coming from. CPU fan speed varies > with CPU load, so I would expect a fan to vary in pitch as > well.
CPU fan it is. My ear says that's where it is. I very briefly stopped it with my finger and the noise stopped. I'm sure it's not a good idea to do that too often, though. <snip> > Clinic is Sunday. You can bring it in and we can take a > look. If I remember, I can bring an oscilloscope and we can > probe around (and risk shorting something out, what fun!). I'll probably take it up to ENU before then, but thanks for the offer. And yes, I will be sure to back things up before I go. -- Regards, Dick Steffens _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
