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Thread: LG 700E Monitor makes noise when I turn on the monitor

  1. #1
    Join Date
    Mar 2009
    Posts
    5

    LG 700E Monitor makes noise when I turn on the monitor

    Why does LG 700E Monitor makes noise when I turn on the monitor. its a new monitor. It makes noise for a second, like a spark, shakes the display for a second.

  2. #2
    Join Date
    Dec 2008
    Posts
    322

    Re: LG 700E Monitor makes noise when I turn on the monitor


  3. #3
    Join Date
    May 2008
    Posts
    308

    Re: LG 700E Monitor makes noise when I turn on the monitor

    Go to Display Properties, Settings, Advanced, Monitor and set the refresh rate to 60 Hz. Select Apply, and see if the noise goes away. If it does, try increasing the refresh rate one step at a time until you find the threshold at which the noise starts.

  4. #4
    Join Date
    Mar 2004
    Posts
    1,060

    Re: LG 700E Monitor makes noise when I turn on the monitor

    There are many things inside a monitor that could be causing a whine. Anything as small as a whiney capacitor, or as large as the flyback transformer. The fact that it stops whining after 30 seconds or so may be of some significance. How old is the monitor?

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