Hum when recording on Dell

By pete2444
May 24, 2015
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  1. Hello
    I have an old Dell computer and when I record audio from the mike and also from the web, I get this terrible hum in the background. Even when I press record and record nothing, I get hum.Is there something conflicting or something I can do to get rid of the hum. Thank you
  2. jobeard

    jobeard TS Ambassador Posts: 9,156   +598

    That's the power a/c 50/60 cps. Make sure you use a 3wire power cable to the wall outlet and that wall plate is actually grounded.
  3. pete2444

    pete2444 TS Rookie Topic Starter Posts: 18

    I don't think it is...I have used other points. It seems to be coming from within the machine.
  4. jobeard

    jobeard TS Ambassador Posts: 9,156   +598

    Could be - - my dell laptop N5040 has a hum SOMETIMES using HDMI. One projection system has hum, two other locations do not. As the two work fine, I conclude it's a shielding issue with the other one.

    Yours is more specific - - your mike vs recording - - don't know what to say.

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