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I purchased my macbook pro with Lion pre-installed. However its not showing as "installed" from the app store. How can I re-install?

As the title says, I just bought my macbook pro. I'd like to reinstall Lion. However its not showing as "installed" in my app store? So How can I reinstall it?

MacBook Pro, Mac OS X (10.7.3)

Posted on May 2, 2012 7:58 AM

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24 replies

May 2, 2012 9:15 AM in response to dills84

You should be able to netboot from Apple's servers to reinstall Lion. Hold down the key combination option-R at startup.


You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with networks that require any kind of authentication other than a WPA or WPA2 Personal password.


Alternatively, if you have either a bootable backup or a Time Machine backup on an external drive (not a Time Capsule), boot from it into Recovery by holding down the option key at startup.

May 2, 2012 9:39 AM in response to dills84

No. Launch the Terminal application in any of the following ways:


Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)


In the Finder, select Go Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.


If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Terminal in the page that opens.


Drag or copy — do not type — the following line into the Terminal window, then press return:


diskutil list


Post any lines of output that appear below what you entered — the text, please, not a screenshot.

May 2, 2012 9:42 AM in response to Linc Davis

This is the output i get... looks like im missing recovery eh? the 209.7MB partition is just the boot manager right?


/dev/disk0

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *750.2 GB disk0

1: EFI 209.7 MB disk0s1

2: Apple_HFS Macintosh HD 749.8 GB disk0s2

/dev/disk1

#: TYPE NAME SIZE IDENTIFIER

0: FDisk_partition_scheme *8.2 GB disk1

1: DOS_FAT_32 EOS_DIGITAL 8.2 GB disk1s1

May 2, 2012 10:00 AM in response to wjosten

My timemachine backup came from my synology diskstation server. I use it to back up everything, runs well. But I'm unsure what the format is. I beleive its EXT of some type.


So if I'm missing the recovery can I just command+option+r into internet recovery and have it restore itself? Or do I need to wipe out the whole thing and start from scratch?


Whats weird is that I RESTORED the time machine back up from Lion Recovery! I'm confused as to why its gone now?

I purchased my macbook pro with Lion pre-installed. However its not showing as "installed" from the app store. How can I re-install?

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