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  1. #1

    Member Since
    Feb 14, 2010
    Mac to Tv Dimming??
    I have a macbook that is hooked to my tv through the mini dvi adapter to an Hdmi and then into my T.V. While watching movies from my external hard drive off my mac the picture on the tv dims and brightens randomly. Is this a setting I can adjust or is it just something I have to deal with?

  2. #2

    truekaos's Avatar
    Member Since
    Feb 14, 2010
    If you goto your settings you can change this or as my wife does, stick a post it note over the camera on your notebook.

  3. #3

    Member Since
    Feb 14, 2010
    Where in settings can you turn it off? and why would this affect the dimming of the tv because I usually turn my monitor brightness off?

  4. #4

    Member Since
    Feb 25, 2009
    Late 2013 rMBP, i7, 750m gpu, OSX versions 10.9.3, 10.10
    It's probably from the ambient light sensors that are determining how much light is in the room to determine the brightness of the screen. If it were me, I'd close the lid and just use the TV as your screen and playback device.
    My Macs: Late 2013 rMBP w/ 750m, 16Gig ram; 2013 Mac Pro 6 core w/ D700, 16Gig Ram; Mac mini G4, 1.25 GHz, 512m ram (server); Late 2011 11" MBA, 1.8GHz i7, 4Gig Ram, 256Gig SSD, HD3000; Powerbook 12" G4 1.33GHz running Linux; Apple TV (1080p version)

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