I have a Dell Optiplex 980 on my desk at work. It outputs a high-pitched whine from the speaker-out. It's not that loud, but naturally it gets amplified when I turn up the volume on my amp. It's most ...
Recently my 19" Proview CRT started making a high pitched noise on and off. I thought it was a fan at first, but upon further inspection, I found that if I turned the monintor off, the noise went away ...
Some Mac Studio owners have noticed that their machines are making a high-pitched "whining" sound that appears to be coming from the fan. There are pages of complaints on the MacRumors forums about ...