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How to reset my internal hard drive as start up drive?

479 Views 6 Replies Latest reply: Nov 30, 2012 6:34 PM by cursed binny RSS
cursed binny Calculating status...
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Nov 29, 2012 10:11 AM

Recently my Mountain Lion OS X got screwed for some unknown reason & it wouldn't boot and my Snow Leopard OS X Install DVD wouldn't finish the installation. I had access to ubuntu so I thought may be i could partition my Macintosh Hard Drive and install it in a partition and I made two partitions, one-Macintosh HD and the other- UBUNTU. And the Mount Point of my Macintosh HD changed from "/" to "/Volume/Macintosh HD". Now it wouldn't even show in 'Start Up Drive selection' and wouldn't let me install any Mac OS X saying "Mac OS X can't be installed on this system" even when I merged the partitions back. How do I change the mount point back from to "/" fro "/Volumes/Macintosh HD" and set it as my start up drive?
It would be very helpful if anyone can solve my problem. Thanks.

MacBook Pro, Mac OS X (10.6.8)
  • Kappy Level 10 Level 10 (221,025 points)

    Open Startup Disk preference pane, select the desired startup volume, click the Restart button.

  • Kappy Level 10 Level 10 (221,025 points)

    Are you sure you haven't effectively changed the disk format? You may have also lost the standard OS X boot loader. I can't really tell what's going on without being able to "see" the disk's partition layout.

     

    As for the mount point "/" and "/Volumes/Macintosh HD/" are equivalent.

  • Courcoul Level 6 Level 6 (11,180 points)

    If you've tried all the above and still can't see the Macintosh HD startup volume, you may have lived up to your moniker and hosed your data. The last desperate measure would be starting up with the SL DVD, using its Disk Utility to repartition and reformat the internal drive to a single GUID/Apple Extended format volume and reinstall everything. If you have a bootable clone, pain will be minimum, increasing exponentially the less backups you have.

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