DanRyb

Q: 24" LED Display with 2011 15" MPB

Hey all,

I've had this 24" LED Cinema Display since it came out and have been using it with a 2010 MBP until now - I upgraded to a 2011 15" MPD (2.3 Core i7 with high-rest matte display) and now with this new MPD, I intermittently get the 24" LED display turning all black before going back to showing my display. It's happening pretty often. Is anyone else experiencing anything similar?

MacBook Pro, Mac OS X (10.6.6)

Posted on Feb 26, 2011 1:01 PM

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Q: 24" LED Display with 2011 15" MPB

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  • by bradfromcincinnati,

    bradfromcincinnati bradfromcincinnati Aug 26, 2011 9:54 AM in response to Jason W-D
    Level 1 (0 points)
    Aug 26, 2011 9:54 AM in response to Jason W-D

    Jason, this is what I get initially.

     

    Mine becomes worse though.  The screen image will distort into 4 quadrants (hard to explain).  The black outs become more frequent.  Sometimes I'll get a snow picture (similar to an older TV when no channel comes in).  Eventually the screen completely goes black and does not come back until you unplug the mini display port and plug it back in.  Do you experience this as well?  I don't see these latter problems reported very frequently.  I may attach a video as well...

  • by sdischer,

    sdischer sdischer Aug 26, 2011 8:05 PM in response to DanRyb
    Level 1 (0 points)
    Aug 26, 2011 8:05 PM in response to DanRyb

    Same exact problem here.  Took my 15 in and they replaced the logic board (the motherboard including the video adapter) and it still does the same thing.   I have tried everything, but it still blacks out an sometimes does the four quadrant screen dive thing.  Im so frustrated, I just want my old 13" back.  Apple, please hear the masses, we are on page 41 of these posts...

  • by NicoNB,

    NicoNB NicoNB Aug 27, 2011 3:20 AM in response to sdischer
    Level 1 (0 points)
    Aug 27, 2011 3:20 AM in response to sdischer

    That's about the same as I get it, although I miss the blackening out in the video, which lasts 2-3 seconds on my ACD and the tyling or quadrant screen a sdischer call's it.

     

    Yes it is 41 pages more noticable is the fact that only 27 people follow this discussion.

    That make me wonder how many people really have this problem.

    If it is just a small group of customers why nbother to fix it with a firmware update, then it is a lot cheaper to fix it by offering people a swap like they did when the first people reported this bug.

  • by camil.b,

    camil.b camil.b Aug 27, 2011 7:25 AM in response to NicoNB
    Level 1 (0 points)
    Aug 27, 2011 7:25 AM in response to NicoNB

    Possible fix  after 10.7.2

     

    About two days ago I attached my MacBook Pro, core i7 2.2GHz 256 SSD, 8 GB RAM, to my 24" Cinema Display and the screen started to flicker; 10-15 in a minute.I did a clean install with Lion 10.7.1 and the flickering persisted.

    In my developer account it was a beta combo update to 10.7.2 (11C40) which address some graphic drivers improvements. After I did the update flickering was reduced considerable, to 2-3 blinks  in an hour and increased when a movie was playing (10-20 blinks in an hour) or running flash in Safari.

    Also a permanent blank screen occurred. In that situation, the system recognized the display, the resolution could be changed, arrangement of the screens could be switched but cinema display remains blank. After sleep/wake up, everything was back to normal.

    In Console was no message at that time.

    And I observed that cinema display fans are running very intensive during blinks, for about 1 second.

    Today Apple pushed a new build for 10.7.2 (11C43). After I did the update and restarted the system blink frequency was increased with or without running programs.

    I restarted again and boot on Recovery partition, where I ran Safari for about two hours without any blink.

    Restarted again in Lion 10.7.2, running a HD movie  and no blink for about two hours.

    Now I'm running at the same time an intensive render test with Cinebench, 3 X 1080p youtube movies in Safari, 8 x 720p movies in live mix with Modul8 and output results in MadMapper thru syphon server. Also iTunes  is running, Mail and iPhoto.

    No more blinks and no crash at these intensive tasks.

    I will shut down the display and the computer and do some tests after one hour, and repeat the steps.

    I don't think is a permanent fix but I hope it will came in  final release of 10.7.2

  • by caleixo,

    caleixo caleixo Aug 29, 2011 10:36 AM in response to DanRyb
    Level 1 (0 points)
    Aug 29, 2011 10:36 AM in response to DanRyb

    This is what I see every day...

     

    http://www.youtube.com/watch?v=e52iRuBgxNU

  • by Michael Vallance,

    Michael Vallance Michael Vallance Sep 1, 2011 7:46 PM in response to DanRyb
    Level 1 (83 points)
    Desktops
    Sep 1, 2011 7:46 PM in response to DanRyb

    After 8 frustrating months and 3 returns, Apple in Japan has replaced my 24 inch monitor with a new , larger one. No extra fee. I bought AppleCare too.

    I even sent in my MacBook Pro and they confirmed that the laptop was just fine.

     

    Michael

  • by Thorsten Geissler,

    Thorsten Geissler Thorsten Geissler Sep 1, 2011 8:07 PM in response to camil.b
    Level 1 (5 points)
    Sep 1, 2011 8:07 PM in response to camil.b

    Waiting 8 month for a "potential" fix is not acceptable. I had it with Apple trying to sit out this problem. Why do we have AppleCare if they don't replace our ACD's that are obviously not compatible with thunderbolt equipped Apple machines.

  • by Thorsten Geissler,

    Thorsten Geissler Thorsten Geissler Sep 1, 2011 8:36 PM in response to Thorsten Geissler
    Level 1 (5 points)
    Sep 1, 2011 8:36 PM in response to Thorsten Geissler

    If you care to see a copy of my email to Tim Cook contact me.

     

    < Edited By Host >

  • by Thorsten Geissler,

    Thorsten Geissler Thorsten Geissler Sep 1, 2011 9:35 PM in response to Thorsten Geissler
    Level 1 (5 points)
    Sep 1, 2011 9:35 PM in response to Thorsten Geissler

    Why was my entry edited? Why is Apple censoring my entries?

  • by leesilberkleit,

    leesilberkleit leesilberkleit Sep 1, 2011 10:17 PM in response to leesilberkleit
    Level 1 (0 points)
    Sep 1, 2011 10:17 PM in response to leesilberkleit

    I am replying to my March 31st post......... It is now Sept 1st.......

     

    THere have been over 50,000 views of this thread.......

     

    I have applecare..... I have been patient...... If a 27" is the fix........

     

    Bring it on!!!

  • by gekkonaut,

    gekkonaut gekkonaut Sep 2, 2011 8:35 PM in response to DanRyb
    Level 1 (0 points)
    Sep 2, 2011 8:35 PM in response to DanRyb

    At the apple store now being told there is no fix and nothing will be replaced because my 24" is a few days off warranty.  I think this may be my last business with apple.

  • by gekkonaut,

    gekkonaut gekkonaut Sep 2, 2011 9:15 PM in response to DanRyb
    Level 1 (0 points)
    Sep 2, 2011 9:15 PM in response to DanRyb

    also curious why my previous replies were deleted? i was only trying to help.

     

    more fuel on the fire.

  • by sdischer,

    sdischer sdischer Sep 3, 2011 10:12 AM in response to DanRyb
    Level 1 (0 points)
    Sep 3, 2011 10:12 AM in response to DanRyb

    I spoke with Apple yesterday, they told me it is now a known issue and under investigation and they are looking at a solution.  I think if we are patient they will supply as solution.

  • by StevenStevens,

    StevenStevens StevenStevens Sep 4, 2011 3:38 AM in response to DanRyb
    Level 1 (0 points)
    Sep 4, 2011 3:38 AM in response to DanRyb

    Today I connected my 24 ACD to my Thunderbolt Macbook Pro 17. Same issue. The screen flickers 3-5 times a minute. Now I read that this hasn’t been solved in the past 6 months by Apple. Will it ever be addressed?

     

    BTW: The display works fine on my 2008 MBP 15 with MiniDisplayPort!

  • by missilemike,

    missilemike missilemike Sep 4, 2011 5:09 AM in response to DanRyb
    Level 1 (0 points)
    Sep 4, 2011 5:09 AM in response to DanRyb

    On my 2011 15" mbp, this happens all the time.

    On my 2011 Mac Mini server, it almost never happens.  Maybe once every 8 hours.

     

    I use the same 24" LED ACD with both directly through the mini displayport.  My only guess is that the mini server only has the intel hd 3000 video, where the mbp has the ati/intel switching video.

     

    camil.b: is the issue still solved with the Lion developer release?  I see they just posted another one on Sept 2nd.

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