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Macintosh HD 'Locked' when trying to do complete reinstall Mavericks.

I tried to install mavericks and found out my HD was corrupted. I repaired it and want to do a reinstall of Mavericks however when I go to select install location it says my Macintosh HD is locked. Any tips?

MacBook Pro 13” 2.4 GHz 250 GB HDD, Mac OS X (10.6.6)

Posted on Oct 24, 2013 8:15 PM

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Question marked as Best reply

Posted on Oct 27, 2013 8:40 AM

Hi, cjtbhs.


Thank you for visiting Apple Support Communities.


As you are receiving messages that indicate your hard drive is corrupt the best option would be to erase and install. Here is the article that walks you through that process.


OS X Mountain Lion: Erase and reinstall OS X

http://support.apple.com/kb/PH11273


Mac OS X v10.6 Snow Leopard: How to Erase and Install

http://support.apple.com/kb/HT3910


Make sure to backup your data prior to processing these steps.


OS X Mountain Lion: Back up your Mac

http://support.apple.com/kb/PH11371


Cheers,


Jason H.

27 replies

Aug 8, 2014 5:55 PM in response to Pedro Tobar

You are not migrating from another Mac, but a volume that is attached, be it USB or Firewire, so choose "From Time Machine or another disk". The Mac will find all other disks with operating systems on them, present you with options to migrate accounts, applications, and other items. To boot from the external, anytime you have a bootable disk connected, you simply hold down on the option key on startup. You will see hard drive icons with any operating systems you have attached. If you miss the first chance to migrate, you can go to /Applications/Utilities/Migration Assistant to migrate after that point, you do not need to reinstall the OS.

Nov 22, 2014 9:02 PM in response to gggvt

I followed all the steps and now I have a new osx installed on external hard drive. However I am not able to transfer my files from Macintosh HDD. During the migration steps it says "looking for sources" and kind of stuck in there. In the finder I can see the main HDD but I cannot see my files in there. From the get info I can see the HDD is not empty.


Any help on this issue would be life saver. please, any suggestions?

Nov 29, 2014 8:04 AM in response to arif1101

I figured it out, Just click on "Don't Transfer now". Open up your laptop using the External Hard Drive that you created with OS X. When you computer boots up on the External Hard Drive go to Finder > Devices ( On the grey side bar to the left ) > Macintosh HD ( or the Hard Drive that is corrupted). Once this Hard Drive is selected go under the Users file and copy the Users file into the External Hard Drive. If you have another computer I would suggest testing the files on the external HD to see if they will open, before doing the level 7 wipe on your laptop.

Dec 19, 2015 7:00 AM in response to taramason

Hi Taramason.. I need your help

I was trying to reinstall my Macbook Pro and got strucked in between


From OS X Utilities window i opened Disk Utilities and Erased Macintosh HD

Then i selected Reinstall mac OS X and followed instruction i was asked to enter my user id and passward which i entered corectly and after that it showing ''This item is temporarily unavailable...'' Try again later..

Can u please help me to exit OS X Utilities so i can use my macbook

User uploaded file

Macintosh HD 'Locked' when trying to do complete reinstall Mavericks.

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