ATV3 and Mountain Lion - random pausing/not playing

Discussion in 'Apple TV and Home Theater' started by DS-21, Sep 15, 2012.

  1. DS-21, Sep 15, 2012
    Last edited: Sep 15, 2012

    DS-21 macrumors newbie

    Joined:
    Sep 15, 2012
    #1
    I've found since I upgraded to Mountain Lion on my late 2009 white Unibody MacBook, Airplay has not worked well.

    iTunes sees the ATV, and the ATV sees my music library. But it pauses all the time. Sometimes before it even starts playing, and almost always a few seconds before the end of a track.

    By "pauses" I don't mean stuttering or dropouts. I mean that the iTunes button literally goes from "play" to "pause" on my MacBook.

    AirPlay works just fine on this AppleTV from my fiancee's late-2007 MacBook running Lion (don't know if latest version), and also from both of our iPhone 4S's. Just not from my MacBook, which is of course the source we usually want to use, because it holds my music library including all of my digitized vinyl.

    It doesn't matter if I initiate play in iTunes on the MacBook, or on the ATV3. (As I wrote, it sees my library just fine.)

    Any ideas how to fix it?

    Here's the complete setup:
    Late 2009 MacBook (white unibody), 750GB HDD, 8GB RAM
    OSX Mountain Lion 10.8.1
    iTunes 10.6.3
    <wireless>
    Apple Time Capsule wireless router (don't know firmware version)
    <wireless>
    AppleTV3 with 5.0.2 (4250) software, connected via HDMI to an Anthem MRX 300 A/V receiver.
     
  2. Menneisyys2 macrumors 603

    Joined:
    Jun 7, 2011
    #2
    ("Wireless" emphasized by me.)

    This problem may be similar to the one I'm experiencing, also under ML: unbearably slow loading over Wi-Fi, while wired connections work as expected (see e.g. http://forums.macrumors.com/showthread.php?t=1435850 ). Did you try the latter?
     
  3. happygodavid macrumors member

    happygodavid

    Joined:
    May 14, 2007
    Location:
    Northern Virginia
    #3
    I think your system specs may be the problem.

    This from Apple's Mountain Lion Tech Specs page:
    "AirPlay Mirroring
    Requires a second-generation Apple TV or later. Supports the following Mac models:

    iMac (Mid 2011 or newer)
    Mac mini (Mid 2011 or newer)
    MacBook Air (Mid 2011 or newer)
    MacBook Pro (Early 2011 or newer)"

    As I read it, the unibody Macbook does not support Airplay mirroring. :(
     

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