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Can no longer boot from ANY OS disc on MBP

594 Views 4 Replies Latest reply: Mar 5, 2011 6:32 PM by Glenn Leblanc RSS
macboy2000 Level 1 Level 1 (5 points)
Currently Being Moderated
Mar 5, 2011 6:02 PM
I recently purchased a 15" 2.16ghz Core Duo Macbook Pro. It came with the original 10.4.5 discs. The previous owner installed 10.6 on it using a retail disc, then upgraded to 10.6.6. I had planned on upgrading the original hard drive. However, I cannot get the laptop to boot from the original discs or my own retail 10.6 disc. I've tried a number of different approaches (booting from an external DVD, holding down "C", holding down "option", attempting to mount in on the desktop first, etc.). Either the machine hangs or it ejects the disc (when using the internal drive). Nothing seems to work. Both the internal drive and external drive have been tested and work fine. Is it possible that when upgrading to 10.6.6 a firmware upgrade was done that won't allow the machine to boot from a disc containing an earlier version? I don't know what else could be causing the issue. The laptop has not displayed any other issues. Thanks for any suggestions or explanations.
MBPRO, Mac OS X (10.6.6)
  • JMF Level 3 Level 3 (710 points)
    Currently Being Moderated
    Mar 5, 2011 6:06 PM (in response to macboy2000)
    Sounds like you may have a faulty optical drive, especially if it's not reading discs and ejecting them.
    27" iMac i5, Mac OS X (10.6.2), 2.66 Core i5 8 GB RAM 1 TB HD
  • JMF Level 3 Level 3 (710 points)
    Currently Being Moderated
    Mar 5, 2011 6:14 PM (in response to macboy2000)
    Oops, apologies. I somehow missed the bit about the external drive :-O.
    27" iMac i5, Mac OS X (10.6.2), 2.66 Core i5 8 GB RAM 1 TB HD
  • Glenn Leblanc Level 5 Level 5 (5,935 points)
    Currently Being Moderated
    Mar 5, 2011 6:32 PM (in response to macboy2000)
    I don't know how much help I'll be to you. Seems to have a lot of posts lately about not being able to start up from the install disks.

    I assume you can still boot up from the internal drive.
    When you hold the option key to start, does the screen come up with the option to choose a startup disk and is your Install Disk in when you attempt this?

    While booted up normally, does the Install Disk open up with the install OSX menu? If so, does going through the install menu reboot the computer from the CD automatically?

    Even if there were a firmware upgrade, seems like you would be able to use the 10.6 Install Disk to boot from.
    iMac Intel 21.5", Mac OS X (10.6.6), 8 Gig Ram

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