How does the iMAC work as an external monitor?

Discussion in 'iMac' started by mpetes, Nov 14, 2009.

  1. mpetes macrumors newbie

    Joined:
    Nov 14, 2009
    #1
    Title says it all...how does the new iMac work as an external monitor?

    Is there a way to use it as a monitor without having to log in / load OS? Is there any delay as compared to a standard monitor?


    I'm just thinking long term as the iMac becomes long in the tooth and we move on to new machines. Can the iMac still be used as a quick turn on monitor or do you need to load up both machines (and do you need to rely on all parts functioning in the iMac, such as mobo, hard drive, etc. still working) to utilize it as a monitor)?


    Thanks,

    mpetes
     
  2. old-wiz macrumors G3

    Joined:
    Mar 26, 2008
    Location:
    West Suburban Boston Ma
    #2
    Word on the street is you still need the computer booted up in OSx to use the iMac as a monitor. It's controlled by a function key, I think it's F3 or some such.
     
  3. marlys macrumors newbie

    Joined:
    Nov 13, 2009
    #3
    Check this page out:

    http://www.ifixit.com/Teardown/iMac-Intel-27-Inch/1236/1

    It may be possible for some enterprising individual to get a video signal in without the built-in OSX functions, but it sounds like the monitor depends on the rest of the hardware system to function.
     
  4. gjw4u macrumors 6502

    Joined:
    Dec 2, 2008
    Location:
    Switzerland
    #4
    OP, also note that only the 27" iMac works as external monitor, the 21.5" does not handle screen signal input.
     

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