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Gray screen of death at start up

23962 Views 13 Replies Latest reply: Mar 8, 2013 6:59 AM by Paldeng RSS
bassamz Level 1 Level 1 (0 points)
Currently Being Moderated
Nov 16, 2010 10:21 PM
Hello all,
Today when i was downloading the latest updates for my mac and iTunes my system froze while trying to access my BAD hard drive. So i restart my mac and after the apple logo appeared the gray screen of death showed up. I tried every thing from PRAM reset to disk and permission repair. So please help me with this problem.

Thank you
MacBook Pro 15-inch, Mac OS X (10.6.4)
  • a brody Level 9 Level 9 (62,005 points)
    Currently Being Moderated
    Nov 17, 2010 5:18 AM (in response to bassamz)
    Welcome to Apple Discussions!

    If you have a bad hard drive, replace it. What indication do you have the hard drive is bad?
    An Apple user since 1981, Mac OS X (10.6.2)
  • sig Level 8 Level 8 (35,770 points)
    Currently Being Moderated
    Nov 17, 2010 12:52 PM (in response to bassamz)
    "i was trying to access it while updating mu system software.."

    That's like running your car down the highway while you are doing an oil change. Disconnect the external hard drive. (You should have done this from the onset).
    "I tried every thing from PRAM reset to disk and permission repair."

    Did you try booting from your OS installer disk and running Repair Disk from Disk Utility?
     MacBook Pro 2.8 Ghz 15" / 4 Gb Ram, Mac OS X (10.6.5), iPhone 3GS
  • a brody Level 9 Level 9 (62,005 points)
    Currently Being Moderated
    Nov 17, 2010 2:13 PM (in response to bassamz)
    Is "BAD" supposed to be an acronym for something?
    Without defining acronyms when you start a thread, someone might think you meant "bad" as in something not good. Please elaborate what you mean?
    An Apple user since 1981, Mac OS X (10.6.2)
  • oxcart Level 1 Level 1 (55 points)
    Currently Being Moderated
    Nov 18, 2010 11:37 PM (in response to bassamz)
    The same thing happened to me on one of my machines. It is simple to fix. Use the Snow Leopard installation disk to reinstall the operating system. Just pop it in and follow the instructions. Don't worry. All you data and programs will be unaffected and will reappear exactly as they were before. Now use the software updater again. Everything will be fine from this point on.
    Various Duel G5 and Intel Models, somewhere a mac classic, Mac OS X (10.5.8), OS 10.4 10.5 and 10.6
  • a brody Level 9 Level 9 (62,005 points)
    Currently Being Moderated
    Nov 19, 2010 2:28 AM (in response to bassamz)
    Remove the bad hard drive from the equation. The gray screen can happen when the boot chip tries to access any drive that isn't in good condition. Now generally speaking it should jump to the next drive that is good, but it might not always.

    See my backup FAQ* if you need to recover data:

    http://www.macmaps.com/backup.html

    - * Links to my pages may give me compensation.
    An Apple user since 1981, Mac OS X (10.6.2)
  • ivanortiz732 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jan 20, 2011 11:47 AM (in response to a brody)
    A brody... mind if I jump in to your convo???

    I also have the "gray screen of death" on my 15-inch MacBook Pro, accompanied by the spinning "gear-wheel" (not the color one).

    I popped in the Leopard install DVD (10.5.6) and it's doing nothing new.

    Thoughts??

    Thanks!
    MacBook Pro 15-inch, Mac OS X (10.6.6)
  • cathy fasano Level 2 Level 2 (340 points)
    Currently Being Moderated
    Jan 20, 2011 1:52 PM (in response to ivanortiz732)
    You need to hold down the 'C' key while you are starting up to get it to boot from the install DVD. It comes up with the first screen to select language, and you click on the arrow. The next screen has a big window to install the update, which comes up, and then about 30 seconds later a menu bar appears on the top of the screen -- which you won't see if you have already hit the "Continue" button on the install screen. When the menu appears, go under Utilities and launch Disk Utility and repair your disk. You may want to check to see if it boots at this point. If it does, you are done. If it doesn't boot, or you still are having other problems, then boot off the install DVD again, and this time hit continue to do the install. Since you have a later install on the disk, it will ask you if you want to archive and install or erase and install.

    (To boot from the DVD, start from powered off. Put one finger on the 'C' key and hold it while you press and release the power key. You can let go of the 'C' key once it gets to the apple with the snaky wait cursor underneath.)
    macbook pro, Mac OS X (10.6.5)
  • rob.hudson Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 8, 2013 6:29 AM (in response to cathy fasano)

    I'm trying to reboot my Mac from the CD. However, about a year ago I upgraded from Snow Leopard to Mountain Lion, which was done as a freebie when I got my Mac repaired by my local reseller. If I now use the Snow Leopard installation disc, will this cause me any problems?

  • Paldeng Level 2 Level 2 (285 points)
    Currently Being Moderated
    Mar 8, 2013 6:59 AM (in response to rob.hudson)

    If you are on Mountain Lion you can boot from the Recovery Disk that is installed hidden from your internal HD. You can Use the Disk Utility from there to repair disk and you can also use that on OS re-installation of your ML.

     

    "OS X Lion or OS X Mountain Lion includes a built in set of utilities in the Recovery System. Restart your Mac and hold down the Command key and the R key (Command-R), and keep holding them until the Apple icon appears, indicating that your Mac is starting up. After the Recovery System is finished starting up, you should see a desktop with a OS X menu bar and a "Mac OS X Utilities" application window."

     

     

    Check this link

     

    http://support.apple.com/kb/ht4718

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