MikeOMG Posted November 9, 2008 Share Posted November 9, 2008 Can anyone tell me what's going on: This ultra high pitched noise started emanating from my computer a couple days ago... Kinda like the noise tube TVs make when they're on, just on the limits of what you can hear... It's not overly loud, but it cuts in and out. It's really irregular, lasting anywhere from 1-5 seconds... I tried to pinpoint where it's coming from, but no luck... I know it's not the fan, that's about it... Help? Quote Link to comment Share on other sites More sharing options...
greenknight Posted November 9, 2008 Share Posted November 9, 2008 What kind of monitor do you have? Quote Link to comment Share on other sites More sharing options...
James_A Posted November 9, 2008 Share Posted November 9, 2008 Older (more than a few years old) hard disks have been known to give off noises like you describe. That would be the first place I would look at & listen to. Also, I suggest you turn your sound system off (or at least the loudspeakers) when you next hear it, just to eliminate the slight offchance that it is picking up HF interference or crosstalk. . Quote Link to comment Share on other sites More sharing options...
Eldmannen Posted November 10, 2008 Share Posted November 10, 2008 Does the sound persist after you turn off your monitor? Try to unplug the power to your speakers, to see if that helps. If you know about computer hardware and are confident, then you might want to try to unplug the powercord to the hard disk. You might also want to check the fans. Could it be a capacitor? Quote Link to comment Share on other sites More sharing options...
puntoMX Posted December 13, 2008 Share Posted December 13, 2008 Could it be a capacitor?More a coil resonating, But I see MikeOMG didn´t reply on your posts so I could be late... Quote Link to comment Share on other sites More sharing options...
greenknight Posted December 14, 2008 Share Posted December 14, 2008 My thought was that if he had a CRT monitor, it might be exactly the same sound a tv makes - which can get louder and/or erratic when it's failing. But we never heard from him again... maybe his computer exploded. Quote Link to comment Share on other sites More sharing options...
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