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  • TRON Level 1 (20 points)

    @Richard Van Nostrand

    You should be able to recover from the blue screen on your Mac Mini by entering and exiting FrontRow:

    Press Command-Esc to enter FrontRow, then Esc to exit.

  • mrlou Level 1 (30 points)

    You mention Mac Mini.  It only has one graphic card, either the HD 3000 or AMD.  It shouln't have the blue screen problem on quiting applications.  No graphic card switching like the MBP.  I am going to quests that yours has the HD 3000 card.  If still under warranty, you should get the logic board replaced ASAP.

  • pampi Level 1 (0 points)

    Hello everybody I have the same issue as yours.

    At the beginning it was an issue with Chrome....But when I read your psots I guess it doesn't count.


    My macbook pro is a 15" early 2011 runnung on Snow Leopard. Last week I brought it to a apple store and after several tests they told me everything was ok.


    What a furtive issue which is quite anoying for a 1800 euro computer (I'm a PC switcher :-))


    anyway if someone (even Apple!) founds a piece of solution I'm reading to test




  • Richard Van Nostrand Level 1 (30 points)

    Thanks for the reply on the Mac Mini blue screen. I have Apple Care active and will try to get the Mac Mini replaced. Just coincidence that my 2011 MBP blue screen (display card switching problem after EFI update) and the Mac Mini had blue screens. Thanks for the tip on Front-Row.

  • Richard Van Nostrand Level 1 (30 points)

    On the 2011 MBP blue screen problem-


    I finally bit the bullet and installed OS X Lion. I did an upgrade, not a full install. Am keeping my fingers crossed- no blue screen so far.



  • Julian Scott Level 2 (265 points)

    I've got the same blue screen problems - started (out of the blue - no pun intended!) last week. Sometimes on quitting programmes sometimes just happens like this morning 2 minutes after waking from sleep and viewing a Safari page.


    I can put the MacBook Pro to sleep wile the blue screen is present then re-wake it and it is OK with all the apps running as they were before the blue screen.


    I looked in console and it appears to show at 08:43:16 a hibernate image launch - though at this point I haven't put the computer to sleep. Any ideas anyone?


    MacBook Pro 17" April 2011 2.3 i7 with 10.6.8.








    10/04/2012 08:43:16kernelOpened file /var/vm/sleepimage, size 8589934592, partition base 0xc805000, maxio 400000 ssd 0
    10/04/2012 08:43:16kernelhibernate image major 14, minor 2, blocksize 512, pollers 5
    10/04/2012 08:43:16kernelhibernate_alloc_pages flags 00000000, gobbling 0 pages
    10/04/2012 08:43:16kernelhibernate_setup(0) took 0 ms
    10/04/2012 08:43:19kernelAirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
    10/04/2012 08:43:19kernelSystem SafeSleep
    10/04/2012 08:43:27kernelhibernate_page_list_setall start 0xffffff80935c4000, 0xffffff8093604000
    10/04/2012 08:43:27kernelhibernate_page_list_setall time: 347 ms
    10/04/2012 08:43:27kernelpages 916767, wire 259083, act 238865, inact 738, spec 185, zf 6633, throt 0, could discard act 96279 inact 90721 purgeable 28597 spec 195666
    10/04/2012 08:43:27kernelhibernate_page_list_setall found pageCount 505504
    10/04/2012 08:43:27kernelIOHibernatePollerOpen, ml_get_interrupts_enabled 0
    10/04/2012 08:43:27kernelIOHibernatePollerOpen(0)
    10/04/2012 08:43:27kernelwriting 504158 pages
    10/04/2012 08:43:27kernelencryptStart 4b8b50
    10/04/2012 08:43:27kernelencryptEnd f3eb360
    10/04/2012 08:43:27kernelimage1Size 407383552, encryptStart1 4b8b50, End1 f3eb360
    10/04/2012 08:43:27kernelencryptStart 18482e00
    10/04/2012 08:43:27kernelIOPolledInterface::checkForWork[5] 0xe00002eb
    10/04/2012 08:43:27kernelPMStats: Hibernate write took 6762 ms
    10/04/2012 08:43:27kernelall time: 6762 ms, comp time: 1573 ms, deco time: 0 ms,
    10/04/2012 08:43:27kernelimage 0, uncompressed 1634742272 (399107), compressed 667091808 (40%), sum1 a465ffa6, sum2 9e14ee85
    10/04/2012 08:43:27kernelwired_pages_encrypted 154891, wired_pages_clear 102935, dirty_pages_encrypted 141282
    10/04/2012 08:43:27kernelhibernate_write_image done(e00002eb)
    10/04/2012 08:43:27kernelsleep
    10/04/2012 08:43:27configd[14]network configuration changed.
    10/04/2012 08:43:32kernelWake reason = EHC2
    10/04/2012 08:43:32kernelSystem Wake
    10/04/2012 08:43:32kernelPrevious Sleep Cause: 5
    10/04/2012 08:43:32kernelThe USB device HubDevice (Port 1 of Hub at 0xfa000000) may have caused a wake by issuing a remote wakeup (2)
    10/04/2012 08:43:32kernelThe USB device Apple Internal Keyboard / Trackpad (Port 2 of Hub at 0xfa100000) may have caused a wake by issuing a remote wakeup (3)
    10/04/2012 08:43:32kernelMacAuthEvent en1   Auth result for: 00:11:24:20:06:b8  MAC AUTH succeeded
    10/04/2012 08:43:32kernelAirPort: Link Up on en1
    10/04/2012 08:43:32kernelAirPort: RSN handshake complete on en1
    10/04/2012 08:43:33configd[14]network configuration changed.
    10/04/2012 08:43:36mDNSResponder[18]DeregisterInterface: Frequent transitions for interface en1 (
    10/04/2012 08:43:39Firewall[100]krb5kdc is listening from :::88 proto=6
    10/04/2012 08:43:39Firewall[100]krb5kdc is listening from proto=6
  • rpg2288 Level 1 (0 points)

    I think that


    -disabling 'automatic graphics switching'


    -deleting preference files for applications (running before blue screen happens) (/[hdd name]/users/[username]/Library/preferences/com.____.plist (etc.)



    helps a lot. (posted that^ a couple months ago...noticed that theres been lots of replies here) I haven't upgraded to Lion....downgraded to SL when I got this MBP; probably won't upgrade to Lion



  • Tirpitz Level 1 (0 points)

    I also observed this issue. I think it is software issue. Issue sometimes occurs after firmware actualization. Partially could help SMC and PRAM reset.

    How to do SMC reset? Disconnect all periferals except power supply. Hold down SHIFT+CTRL+ALT and press Power button.

    PRAM reset: CMD+ALT+P+R

    Anyway I please the producer - Apple to solve this problem. It was not cheap and I bought it as maximally reliable computer. I still use Snow Leopard, version 10.6.8 because I do not want any mobile system iOS feature in computer system.

  • mrlou Level 1 (30 points)

    Lion fixes the problem.  I doubt Apple will fix the problem for 10.6.8.  Apple has grown too big and profit has become #1.

  • Tirpitz Level 1 (0 points)

    Maybe it will need a petition where users with that issue would sign it.


    Possible text of this petition:

    Dear developers,

    we, users of Snow Leopard 10.6.8 on MacBook Pro 15" Early 2011, ask about to fix problem with light blue screen while switching from AMD to Intel HD graphics at exiting some program. We are otherwise satisfied with old good Snow Leopard and we do not think about upgrade to Lion because for example we do not want iOS features in computer system. We bought so expensive Mac as maximally reliable computer and we want have this for our money. We are not small group of clients you could lose.

    Yours sincerely

    Lower signed customers

  • Tirpitz Level 1 (0 points)

    Petition was created, go here and sign it, if you are user of Snow Leopard and you do not want to be ignored: -os-x-10-6-8

  • Roks Level 1 (0 points)

    Hey guys,


    Don't really know if this thread is still active, but I sure hope so. I'm writing from the Netherlands, and I too have the blue screen problem. I own a mid 2011 MacBook Pro 15 inch, bought somewhere in June 2011. After reading every single post in this thread I would like to keep you guys updated on my progress. So, here is my story:


    I can't recall when exactly the problems started. Inconsistently, but always after using CMD+Q I would get a frozen lightblue screen. I quickly realized that it was just the screen, since the F10 and F11 (volume) buttons gave their confirming sounds. Also could I still change brightness. At first I ignored the problem but eventually it got impossible to ignore, occuring with an average of three times a day. Then I decided to search the internet. Sadly, in the near end of 2011, I couldn't find anything(not even this thread ).


    After a while I decided to go to the Apple retailer where I bought my computer. I would like to point out that this is not an official Apple store. They heard me out and claimed they had never heard of this problem before. Also they found me unreliable since I could not recreate the problem in front of their own eyes. I didn't know then how to force the error. They sent me home with the assignment of re-installing OSX Snow Leopard, updating all of the applications and told me not to install any third party apps. All of this I did, and as you can guess, the problem wasn't resolved. So back I went, this time they took in my computer and gave it a "stress-test", which pointed out that I wasn't in fact as unreliable as they thought and they acknowledged the problem. After about a week I could come back to pick up my laptop, and as it turned out, they replaced my display - because that was what HAD TO BE causing the problem. Not.


    So, without any progress, I returned to the store. They took in my laptop again, redid the stress-test and found the same problem, surprisingly. They concluded that there was a problem with the videocard, and since all MacBook videocards are welded on to the motherboard, they replaced my entire motherboard - or as you might say: LogicBoard. Now, this all took place about three months ago. And here I am today, writing to you, with a still unsolved problem.


    Since the replacement of the motherboard I have had a total of four freezes, all after CMD+Q. Considering that a motherboard replacement is quite hardcore, I think it's safe to say that this confirms your assumption of the problem not having to do with the hardware.


    Tuesday I am going to go back to the store, and tell them the problem still exists. I am consciously not going to tell them about what I learned from this forum (videocard switching etc.) out of fear they will just give me the blame of the error. I am seriously expecting them to at least give me a free OSX Lion upgrade, and if not give me a new device. The new one naturally not being from the mid/late 2011 batch.


    I will keep you all updated!


    Thanks for reading,




    EDIT: I would like to add to all of this that I have encountered something new that might possibly be related to the problem. Whenever I start up a game (Diablo III) the screen gives a quick blue flash, in exactly the same colour as when it freezes. Although this time, it's a flash and nothing permanent. Anybody any clues?


    Message was edited by: Roks

  • Tirpitz Level 1 (0 points)

    Anyway update your system. Did you reset SMC and PRAM? It can partially help.


    How to do SMC reset? Disconnect all periferals except power supply. Hold down SHIFT+CTRL+ALT (all on the left side) and press Power button.

    PRAM reset: Hold CMD+ALT+P+R at computer start

  • Roks Level 1 (0 points)

    Ah yes, should have mentioned that as well. Trust me when I say that I have tried EVERY possible reset, reboot, clearing or whatever. I'm quite good with computers. I've tried every single thing that could possibly work..

  • Julian Scott Level 2 (265 points)

    I had a similar problem and read on one of the forums to try deleting a preference file relating to the desktop image. I did delete this file and the problem has not re-occurred since. I cannot tell you exactly which preference file it was but a search may track it down.