My Macbook Pro dims the external Display when I watch movie!!!!!

Discussion in 'MacBook Pro' started by soapage, Sep 12, 2010.

  1. soapage macrumors member

    Dec 26, 2009
    I have my macbook connected to HDMI to my sony tv. whenever i watch a movie the display is constantly dimming and coming back up. anyone know why this happens?
  2. jjp14 macrumors member

    Jul 21, 2009
    My Sony TV has a feature that optimizes brightness due to ambient light. Make sure it's turned off. It's called Light Sensor

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