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User profile for user: Rogonx
Rogonx Author
User level: Level 1
0 points

Unable to boot OSX

So it all started when I tried to create an additional partition for Windows Server on Windows.

To free up some space I've used the disk utility app on OSX, then booted to windows(everything was working fine by then) and used the EaseUs Partition Manager to create an NTFS partition.

It all "succeeded" and my MacBook happily restarted letting EaseUs work on the free space partitioning it.


Putting aside the fact that the installation had some errors(not specified by the program) after I restarted the system again in a hope to get on the OSX, I have discovered that the only thing showing up (after pressing the option key at startup) is the Windows partition. I can still see all files from OSX since the partition is visible while I'm on Windows, it just doesn't seem to be bootable anymore.


Any suggestions on how can I fix it?

MacBook

Posted on Jan 24, 2013 12:23 PM

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17 replies
User profile for user: Csound1
Csound1
User level: Level 9
60,033 points

Jan 24, 2013 1:14 PM in response to Rogonx

Possibly, do you have access to another Mac, if yes you can try to boot your Mac in target mode and transfer the files that way, maybe.


Or, remove the drive, install a new drive, connect the old drive as an external and try to transfer the files that way.


There may be a command line method of recovering the partition but that's not my area, maybe another poster will pick this up.

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User profile for user: Christopher Murphy
Christopher Murphy
User level: Level 3
560 points

Jan 24, 2013 1:39 PM in response to Rogonx

I will formulate another response in a bit, but for now I need to know some things. You can boot Windows but not OS X? Do you have a way to boot OS X from some other means? (DVD, USB, another computer in FW target disk mode?) Does the computer still have an optical drive? Do you have a spare USB flash disk? What is the size of the drive that has 2x Windows and OS X on it? Do you have another drive with at least as much free space as the size of the drive with Windows and OS X?

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User profile for user: Rogonx
Rogonx Author
User level: Level 1
0 points

Jan 24, 2013 2:50 PM in response to Csound1

You can boot Windows but not OS X?

- Yes, Windows now boots automatically and when i hold the "option" button the only choice of startup disk I have is the Windows disk.


Do you have a way to boot OS X from some other means?

- Unfortunately not, except for the installation DVD, which only allows me to install the OSX on the Windows partition.


Does the computer still have an optical drive?

- It does.


Do you have a spare USB flash disk?

- I do.


What is the size of the drive that has 2x Windows and OS X on it?

- Drive has 500gb capacity and now has the mac partition(which contains all the elements of the OS, just can't be booted) of size ~350 gb, windows partition of size ~120 gb + that unallocated space that I've tried to partition of size ~20 gb.


Do you have another drive with at least as much free space as the size of the drive with Windows and OS X?

- Unfortunately not.

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Unable to boot OSX

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