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MediaPortal Wiki > MediaPortal 1 > Support > Troubleshooting > TV > Black Screen or Mute

Black Screen or Mute

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    Table of contents
    1. 1. Problem
    2. 2. Workaround

    TV does not display a picture or is mute on some channels


    Wrong tuning information can cause some channels to stay mute, or black and mute.

    Sometimes channels were moving to a new transponder, so you have to re-autotune. That will update the tuning information.

    If that does not work, you can manually alter the tuning information.

    The setting that is responsible for this problem is the AC3 PID which is detected wrong using autotune

    The Problem is known and will be addressed with the new TV-engine


    1. Start MediaPortal Setup
    2. Go to Television -> TV Channels
    3. Select the Channel that is not working properly
    4. Click the edit button
    5. Now select the correct tab i.e. DVB-S



    1. Change the AC3 PID from the current value to 0
    2. Click the OK button to save your changes
    3. Click the OK button to close setup

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