MBP 13" + 27" ACD = Problem

Discussion in 'MacBook Pro' started by Konrad, Jan 6, 2013.

  1. Konrad macrumors 6502

    Joined:
    Aug 26, 2009
    Location:
    Bi-continental
    #1
    MBP 13"
    (2011) Thunderbolt
    OSX 10.7.5
    2.8 GHz, i7, Crucial SSD 256GB, 16GB RAM
    27" ACD
    (2012) Thunderbolt

    - TB connected causes the 27" ADC to go black intermittently (frequency depends on data load, typically every 15-25 min) for a duration of 0.5s - 2s. (all applications)
    - Can be duplicated with other 27" ADC
    - Works fine with Apple Thunderbolt double DVI adapter with 30" ACD (DVI)
    - MBP logic board replaced by Apple - PROBLEM NOT SOLVED

    Please advise.
    Thank you
     
  2. duervo macrumors 68020

    duervo

    Joined:
    Feb 5, 2011
    #2
    It's either the TB cable or the ThunderBolt display. Cable is cheaper to rule out. Logic Board has already been ruled out.
     
  3. Konrad thread starter macrumors 6502

    Joined:
    Aug 26, 2009
    Location:
    Bi-continental
    #3
    The Thunderbolt ACD is most likely OK, as I was able to duplicate the exact same problem with two other Thunderbolt ACDs. All three tests were done via a built-in Thunderbolt cable within the Thunderbolt ACD.
     

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