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  • 30. Re: 24" LED Display with 2011 15" MPB
    PurplishCat Level 1 Level 1 (0 points)
    I have a 2010 MacBook Pro 15" and a configuration that almost proves it's a display thing rather than the computer being at fault.

    I connect my (closed) MacBook Pro to a 24" LED cinema display that is supposed to be identical both at work and at home. I experience the issue described here daily at home - about once to twice an evening - while I have never seen it at work. I sit behind the computer most of the day at work so if this were happening there as well, I'd see it.

    I don't shut my laptop down going from home to work or vice versa, simply disconnect the cables so that it goes to sleep.

    Due to the low frequency it's not really that annoying, but it is startling when it happens... And if this is a screen hardware issue, I'd really like to know about it so that I can get a good screen before it's out of warranty!
  • 31. Re: 24" LED Display with 2011 15" MPB
    golgo1313 Level 1 Level 1 (0 points)
    oh no! i just ordered a new mpb 15. this is happening on my mac pro 2008 with the ati radeon 5870 graphics card with the 24" led cinema display. i thought i was going crazy with the rapid horizontal shifts. i'm also using an older 20" cinema display as a second monitor and it's perfect. it started when i upgraded the graphics card... ***! do you think it's an ATI thing? anyone else with a 2008 mac pro 3.1 with 5870 with the same issue?
  • 32. Re: 24" LED Display with 2011 15" MPB
    jyang86 Level 1 Level 1 (0 points)
    I have the exact same problem with my brand new 2.3ghz 15" MBP with 24" LED Display. I noticed that the problems happens more and more frequently the longer I use the monitor. When I put the display to sleep for a few hours and come back, it usually works fine for a while and then starts to happen with increasingly frequency (up to once every 1-2 minutes). It's very annoying.
  • 33. Re: 24" LED Display with 2011 15" MPB
    gbrozak Level 1 Level 1 (0 points)
    Interesting to see this. I thought it was just an issue with my machine.

    This has been happening with my MacBookPro5,3 (June, 2009) and the new 24" monitor I got this past summer. My screen has been going black (2-4 seconds). Happens intermittently; and I cannot track down the cause.
  • 34. Re: 24" LED Display with 2011 15" MPB
    Hagar the Horrible Level 1 Level 1 (0 points)
    I am having the same problem, but with a 27" iMac and 24" Cinema Display. This does not seem tied to MBPs. Is this a problem with my iMac or Display hardware or is it a software problem?
  • 35. Re: 24" LED Display with 2011 15" MPB
    cchiappone Level 1 Level 1 (0 points)
    Same problem here. New 15" MBP i7 2ghz. 24" ACD
  • 36. Re: 24" LED Display with 2011 15" MPB
    cchiappone Level 1 Level 1 (0 points)
    One other thing to note that happens for me. The flickering and stuff only seems to occur when I first use the mac in the morning. Seems like when its cold. After about 15 - 30 minutes it no longer occurs throughout the day.
  • 37. Re: 24" LED Display with 2011 15" MPB
    mjz12956 Level 1 Level 1 (0 points)
    Same problem with my 27" display. it is driving me crazy. Anyone have a solution?
  • 38. Re: 24" LED Display with 2011 15" MPB
    ds017 Level 1 Level 1 (5 points)
    Same issue here. 24" LED Cinema Display, worked fine with my late 2009 13" MBP. Same flicker as everyone else is talking about with a new 2011 15" MBP with 2.3GHz i7, highres glossy display.
  • 39. Re: 24" LED Display with 2011 15" MPB
    hurd300403 Level 1 Level 1 (0 points)
    i have this exact issue. very repeatable. will make a video demo of it.

    i have fixed the problem, but not practical for most people:

    i have the matrox dualhead2go digital version that i previously used to have dual screens on my mbp with 2 24" LEDs. Now, when connecting my 24" LED through that instead of straight from the laptop to the montior there are is no flickering at all.
  • 40. Re: 24" LED Display with 2011 15" MPB
    stagedaemon Level 1 Level 1 (0 points)
    I have the issue with a mid-2009 15" MBP a 24" Cinema Display as well where the screen blacks out or parts of it shutter. I thought this was just me until now and haven't had much luck getting Apple to pay attention.

    Having gone through a long and drawn out process to get the known flickering issue straightened out with my late-2008 MBP, I'm VERY disappointed to have another video display flickering issue.
  • 41. Re: 24" LED Display with 2011 15" MPB
    MalcontentsUnite Level 1 Level 1 (25 points)
    I too am having the same problem with my brand new 2011 15" i7 MBP and the 24" Cinema Display that I purchased about a year ago. The cinema display randomly shuts off and turns back on while the MBP display stays on. I never had this problem with my previous MBP, a mid-2009 model, and I don't have this problem with my Dell-branded monitor at work (connected via a mini-displayport to DVI adapter).
  • 42. Re: 24" LED Display with 2011 15" MPB
    jreddick Level 1 Level 1 (0 points)
    same issue here...
  • 43. Re: 24" LED Display with 2011 15" MPB
    MelbyR Level 1 Level 1 (0 points)
    Here too, MacBook pro 2011 15" 2.2Ghz with 24" Cinema Display that works fine with a late 2009 MacBook Unibody. I've also filed a bug report with apple
  • 44. Re: 24" LED Display with 2011 15" MPB
    mediaddict Level 1 Level 1 (95 points)
    Here's another one …
    MacBook Pro 2011 + 24" Cinema Display.

    - flickering
    - going black for a second
    - artifacts in certain areas (rare)

    I've noticed it gets better after a while, but it never completely stops showing this behavior. The first time I connected it and before it ever went black, it froze with the graphics completely messed up.
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