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MacBook Pro: light blue screen while closing programs

87350 Views 170 Replies Latest reply: Feb 17, 2014 9:46 PM by aaindian RSS
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francesca romana Calculating status...
Currently Being Moderated
Sep 29, 2011 11:47 AM

Hello to everybody!

I bought the MBP last July. Mac OSX 10.6.8 Leopard.

Until yesterday everything was ok.

I updated the software some days ago as requested. Every program is updated.


Here's the problem: closing the programs with cmdQ, the screen goes light blue. Forever. Yesterday twice: closing Outlook 2011 and, few minutes after rebooting, closing Google Chrome. I did the reboot and continued working, using also Outlook and Chrome. Nothing happened.


This afternoon, it happened again! This time closing Firefox. I didn't reboot, but I closed the screen as for standby, then re-opened, and the screen was ok again. Only Firefox was closed (as I pushed cmdQ before).


I have no idea of what's wrong with this Mac. Everything else seems to work perfectly. I am (was?) very happy to leave Windows for Mac...


Please help me!

I don't have strange programs and I'm so careful with it... (I have VMWare Fusion, but never used).

Please consider I'm new to Mac world, so I don't know what I can do by myself, I truly need someone to solve this!


Thanks in advance... I'd love to be still happy with my MacBook Pro!

Francesca Romana

MacBook Pro, Mac OS X (10.6.8)
  • Linc Davis Level 10 Level 10 (107,700 points)

    Launch the Console application and look under "System Diagnostic Reports" for crash logs related to WindowServer. Select the most recent one and post the contents -- the text, please, not a screenshot. If you don't find a WindowServer crash log, then look under "User Diagnostic Reports" for application crash logs.

  • Linc Davis Level 10 Level 10 (107,700 points)

    The Firefox crash was probably caused by your outdated Flash plugin. Get the latest version from the Adobe website. CAUTION: Fake Flash installers are circulating on the Web. Never run any Flash installer unless you downloaded it directly from

  • Linc Davis Level 10 Level 10 (107,700 points)

    Please enable guest logins and log in as Guest. Launch the problem applications and test. Do they crash?


    After testing, log out of the guest account and disable it if you wish.


    Mac OS X 10.6 Help: Creating a guest user account

  • Steven887 Calculating status...

    I'm getting the exact same problem. I updated everything (Apple Software, Flash, Firefox, Firefox Add-Ons) on my computer to see if it fixed the problem and it has not. This problem started after I downloaded the EFI update from Apple Software Update.

  • Steven887 Level 1 Level 1 (0 points)

    I also removed my Firefox Add-ons, removed Firefox, and reinstalled it and the problem still occurs.

  • kenrick Level 1 Level 1 (15 points)

    Bought a new MacBook Pro 15" in April.  No problems until last week,then I started getting the blue screen when quitting applications, as described by Francesca and Steven887.  In my case it is most frequently, but not exclusively, with Final Cut Express 4.0.1 which hasn't been updated for two years and has worked without a problem for over 4 months in this machine, so I can confidently conclude that it isn't Final Cut Express.  There are no logs for this crash.


    Fortunately I saw another thread for the same problem where it was suggested that a work around is to close the lid to force the MacBook to sleep.  On waking from sleep (in the normal way by pressing any key) everything is back to normal. The only application that quit was FCE.  On one occasion it happened when a movie was playing and the soundtrack continued to play through the speakers although the screen was all blue.  This indicates to me that the system hasn't crashed.  I suspect the EFI firmware update which I installed a week ago. Since this was mainly about Thunderbolt which is  for attaching video monitors, it would not be surprising if it were messing up the inbuilt video.


    I believe one can't revert the firmware to the previous version, so we just have to wait for Apple to fix the problem.

    MacBook Pro, Mac OS X (10.6.8)
  • XavierX Calculating status...

    Hi, im also having the same problem. It occurs randomly, when closing programs. I've tried using Onix to restore the system, and even did a safeboot. The problem is still there, randomly.


    Guess we'll have to wait for a new firmware.

  • mrlou Level 1 Level 1 (30 points)

    I am having the same problem after quitting applications on occasion over the last month.  Ran built in hardware test and everything passed.  Consul did not show up any diagnostics.  Probably firmware problem.  I have an early 2011 Macbookpro.  Rapidly opening and closing applications sometimes makes the blue screen appear.  May have something to do with the two graphic boards in this Mac model and how they work?

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