How to turn off iMac display while watching a movie from HD TV?

Discussion in 'iMac' started by ApplesAOranges, Feb 10, 2013.

  1. macrumors 6502

    Joined:
    Jan 7, 2011
    #1
    I just can´t seem to figure this out. All I can think is putting something physically in front of the display, which is just stupid!

    Even my MBA and rMBP can do this by dimming the backlight all the way down or just closing the lid and putting them to sleep, the movie will still keep rolling on the HD TV.

    Did Apple folk´s super brains miss this feature or are they leaving this out intentionally just to annoy us?
     
  2. macrumors 6502

    Joined:
    Jan 14, 2013
    #2
    In system preference, energy saving, you can specify that the display goes to sleep after 1 minute but the computer does not go to sleep ever.
    This way your screen will be black after a min of not use and which ever you are streeming to the HD TV should keep running..
     
  3. macrumors 65816

    adnbek

    Joined:
    Oct 22, 2011
    Location:
    Montreal, Quebec
  4. thread starter macrumors 6502

    Joined:
    Jan 7, 2011
    #4
    Sorry, but these solutions don´t work. Both screens will be shut off.

    It doesn´t.
     
  5. macrumors 65816

    bmcgrath

    Joined:
    Oct 5, 2006
    Location:
    London, United Kingdom
  6. thread starter macrumors 6502

    Joined:
    Jan 7, 2011
    #6
    Like I said in my original post, that doesn´t work either. It works with MBA and MBP, but not with iMacs. The brightness won´t go all the way down, not even close. In fact I keep the brightness all the time with my 24" iMac already around 5-10%.
     
  7. macrumors 6502a

    Joined:
    Sep 6, 2010
    #7
    Trying using the Shift + Control + Eject trick, this turns off the iMac screen. Not sure of its behaviour when coupled with another monitor though but it's worth a try.
     
  8. macrumors 65816

    adnbek

    Joined:
    Oct 22, 2011
    Location:
    Montreal, Quebec
    #8
    If plugged in physically to a TV, I guess that's true. Any chance you have an Apple TV? You can airplay the video instead if you do, provided your iMac is a 2011 or newer model.
     
  9. macrumors 6502a

    turtlez

    Joined:
    Jun 17, 2012
    #9
    the only way to do it is by dimming the iMac screen, I researched this extensively for a while. There is software that enables you to completely dim it (just remember the shortcut to exit the mode before you do it though) but the backlights will still be on.
     
  10. macrumors 65816

    adnbek

    Joined:
    Oct 22, 2011
    Location:
    Montreal, Quebec
  11. thread starter macrumors 6502

    Joined:
    Jan 7, 2011
    #11
    Would be perfect, but it turns the HDTV off as well. :(
     
  12. macrumors 6502a

    Joined:
    Sep 6, 2010
    #12
    Sorry to hear that :( keep trying, I'm sure there is an app or mod out there for osx that allows this, let us know if you do find anything though as I am interested in this myself :)
     
  13. macrumors newbie

    Joined:
    Jun 14, 2010
    #13
    I too investigated this. Not possible at the moment. Someone mentioned possibly a terminal tweak, but I found no solution.
     
  14. thread starter macrumors 6502

    Joined:
    Jan 7, 2011
    #14
    This is so sad. How can Apple miss such a simple feature? :(

    I guess I´ll be throwing a shirt or towel on top of the iMac every time when I´m watching a movie and risk it overheating. :(
     
  15. thread starter macrumors 6502

    Joined:
    Jan 7, 2011
    #15
    Could Apple give us this feature with an update possibly? It´s a bit ridiculous that I can´t do simple thing like this.

    I´m sure they don´t want us either hanging our t-shirts, towels or whatever on top of our iMacs? Or maybe they do, so the iMacs will break sooner and we have to buy newer ones?
     
  16. biancarocker, Apr 23, 2014
    Last edited: Apr 23, 2014

    macrumors newbie

    Joined:
    Apr 23, 2014
    Location:
    Brazil
    #16
    ApplesAOranges,

    Don't know if you still need this, but I found an app that does exactly what you want: http://www.charcoaldesign.co.uk/shades

    I am using it to watch movies from imac to apppletv. It doesn't turn off the lights, but increases the color you choose to tint the screen. So, if you choose black, it will tint the screen monitor with black, still, using light to do it. Not perfect, but, better than nothing. :)
     

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