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Unable to unlock recovery HD disk while installing Mac OS X Lion

Operating Systems


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  #1  
Old 30-03-2012
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Join Date: Jan 2012
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Unable to unlock recovery HD disk while installing Mac OS X Lion
  

as the title of the thread is saying what I wanted to ask you over here in this particular thread. Well I am having Mac Book Pro. I noticed some issue on the device of mine and hence I decieded to perform a reinstall on of Mac OS X Lion on recovery HD disk but it is saying that it has been locked and I am not able to do the same. Any help will be appreciated. Thanks a lot in advance.

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  #2  
Old 30-03-2012
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Join Date: Jun 2011
Posts: 482
Re: Unable to unlock recovery HD disk while installing Mac OS X Lion

Looking at the situation I am suggesting below mentioned solution which you can try to resolve the issue of yours.
You should execute below mentioned command on terminal.
Code:
sudo chflags nouchg /
it would asked for the login password and it wont displayed when you will type the same. Also you might get a warning for the same and after that close the terminal and simply try again.
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  #3  
Old 30-03-2012
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Join Date: May 2008
Posts: 246
Re: Unable to unlock recovery HD disk while installing Mac OS X Lion

Well I was also facing the same problem which you have stated over here. so what I done? I had simply turned off the Mac for around 10 minutes and started again. inserted the disk on the drive and got the disk utility after booting from the installer. I ran a simple verify again and after that it worked for me.
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  #4  
Old 30-03-2012
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Join Date: Jun 2011
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Re: Unable to unlock recovery HD disk while installing Mac OS X Lion

I wanted to share my experience with all the users and I am hoping that it would be useful to you. Well I used external USB and installed fresh copy of Mac OS X Lion and used the same as a bootdisk. As I booted the Lion it detected old internal HDD and got the above mentioned error message. However I was able to read as well as copy from the old drive to the external drive. So I concluded that I will be able to reformat the drive and perform a clean install of Mac OS X Lion.
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  #5  
Old 31-03-2012
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Join Date: Aug 2011
Posts: 375
Re: Unable to unlock recovery HD disk while installing Mac OS X Lion

Yes there are lots of people who are suffering from the above mentioned issue. I searched on the Google and figured out that one will be able to resolve the issue after installing that latest version of Software updates.
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