Reinstall lion no disk available

When trying to Recover Lion, I get two disks to choose from which are not available:  Recovery HD which is locked, & my external hard drive with Time Machine uses.  What do I do?
PS:  My iPhone photo was too large to load here.

Are you trying to reinstall Lion? Boot OS X Recovery by holding ⌘ R and choose "Reinstall Mac OS X" from the Mac OS X Utilities screen:
Choose the volume on which to install Lion.
I get the impression this is not what you are asking though, and the volume on which you wish to install Lion is not appearing as an option. Is that the problem?

Similar Messages

  • I am unable to erase hard drive after a crash, also cannot reinstall Lion because disk is locked.  There seems to be nothing else to do, suggestions?  Where do I go from here?

    I downloaded Lion 100 days ago (conveniently after the 90 day tech support)  now my HDD has crashed and it gets stuck at the apple screen.  I then hold command R and go to disc utility try to repair, that doesn't work, and try to erase.  But it says error, cannot unmount disk.  I then try to reload Lion, but it says the disk is locked.  Okay, so do I need a new hard drive?  If so that's fine, I just cannot seem to erase this drive to reinstall lion.  Also, I don't have a disk to reinstall OSx, as Lion is done via internet. 

    Wow, thanks.  It did the trick.  So now I am confused, do you think I still need to take in my Mac to see if there are some problems with the hard drive, or do you think I'm in the clear.  I was going to get a new hard drive installed, because I thought that was the issue seeing as I couldn't access it during safe mode. 

  • Reinstall lion without disk

    My laptop came with lion 10.7 but I was able to downlaod 10.8 for free . Now I need to relaod 10.8 but installer says I need 10.7 on it first . I did not get any disk with laptop as it was a refurb . Can I get 10.7 without buying it

    Lion did not come with disks; however, you should be able to use internet recovery to get the original OS reinstalled: hit Command + Option + R while restarting to access internet recovery; once the Utilities show, use Disk Utility to wipe the drive and then reinstall the OS. You cannot install an earlier OS over the top of a newer one, so you need to wipe the drive........ which means you need to make sue to have a complete backup since you need to erase the drive.

  • Cant reinstall lion says disk is used for time machine backups

    is there anyway i can get the install cds

    Do you have a file called backups.backupdb on your disk?
    If so the installer think that it the Time Machine disk.
    Allan

  • Help!  My MacBook Pro screen keeps going black and I have to reboot.  I have sent the error report numerous times to Apple to no avail (See below).  I also took it into the Mac store and they reinstalled Lion to no avail.

    Interval Since Last Panic Report:  180115 sec
    Panics Since Last Report:          5
    Anonymous UUID:                    764A6CDF-38B8-42FA-86EE-E2A7E7C27370
    Thu Oct 27 11:16:27 2011
    panic(cpu 2 caller 0xffffff7f8098b04f): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0xffffff809fb8e000 0x0a5480a2, D0, P3/4
    Backtrace (CPU 2), Frame : Return Address
    0xffffff807c0d2fb0 : 0xffffff8000220702
    0xffffff807c0d3030 : 0xffffff7f8098b04f
    0xffffff807c0d30c0 : 0xffffff7f80a7b13c
    0xffffff807c0d3110 : 0xffffff7f80a7b1fc
    0xffffff807c0d3170 : 0xffffff7f80d27749
    0xffffff807c0d32b0 : 0xffffff7f80a9a259
    0xffffff807c0d32e0 : 0xffffff7f8099498a
    0xffffff807c0d3390 : 0xffffff7f8099028c
    0xffffff807c0d3580 : 0xffffff7f8099155f
    0xffffff807c0d3640 : 0xffffff7f81801220
    0xffffff807c0d36f0 : 0xffffff7f81828a75
    0xffffff807c0d3770 : 0xffffff7f81813453
    0xffffff807c0d37d0 : 0xffffff7f8181384e
    0xffffff807c0d3820 : 0xffffff7f81813bf6
    0xffffff807c0d38b0 : 0xffffff7f81814817
    0xffffff807c0d38e0 : 0xffffff7f817cc0a4
    0xffffff807c0d3aa0 : 0xffffff7f81814f70
    0xffffff807c0d3b60 : 0xffffff7f817c910d
    0xffffff807c0d3bc0 : 0xffffff80006523be
    0xffffff807c0d3be0 : 0xffffff8000652c9a
    0xffffff807c0d3c40 : 0xffffff800065343b
    0xffffff807c0d3d80 : 0xffffff80002a3898
    0xffffff807c0d3e80 : 0xffffff8000223006
    0xffffff807c0d3eb0 : 0xffffff8000214829
    0xffffff807c0d3f10 : 0xffffff800021bb58
    0xffffff807c0d3f70 : 0xffffff80002ae8a0
    0xffffff807c0d3fb0 : 0xffffff80002d8383
          Kernel Extensions in backtrace:
             com.apple.NVDAResman(7.1.2)[3B24E838-5E73-362B-97FA-239F5AEE7D81]@0xffffff7f809 2a000->0xffffff7f80c03fff
                dependency: com.apple.iokit.IOPCIFamily(2.6.7)[6D54F06A-46B7-37FC-AF22-DE68DC18A1A3]@0xffff ff7f808b5000
                dependency: com.apple.iokit.IONDRVSupport(2.3.2)[6517D9A6-58F5-3CFC-B021-C882306150D5]@0xff ffff7f80918000
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[55FF26D3-292D-3B4B-8AB7-1D25C8B4313B]@0 xffffff7f808e0000
             com.apple.nvidia.nv50hal(7.1.2)[2E84958C-1EEC-316B-9F7A-68C368F83476]@0xffffff7 f80c04000->0xffffff7f80f25fff
                dependency: com.apple.NVDAResman(7.1.2)[3B24E838-5E73-362B-97FA-239F5AEE7D81]@0xffffff7f809 2a000
             com.apple.GeForce(7.1.2)[61E6C721-447E-39D3-BAB8-2A661467B517]@0xffffff7f817be0 00->0xffffff7f8187dfff
                dependency: com.apple.NVDAResman(7.1.2)[3B24E838-5E73-362B-97FA-239F5AEE7D81]@0xffffff7f809 2a000
                dependency: com.apple.iokit.IONDRVSupport(2.3.2)[6517D9A6-58F5-3CFC-B021-C882306150D5]@0xff ffff7f80918000
                dependency: com.apple.iokit.IOPCIFamily(2.6.7)[6D54F06A-46B7-37FC-AF22-DE68DC18A1A3]@0xffff ff7f808b5000
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[55FF26D3-292D-3B4B-8AB7-1D25C8B4313B]@0 xffffff7f808e0000
    BSD process name corresponding to current thread: WindowServer
    Mac OS version:
    11C74
    Kernel version:
    Darwin Kernel Version 11.2.0: Tue Aug  9 20:54:00 PDT 2011; root:xnu-1699.24.8~1/RELEASE_X86_64
    Kernel UUID: 59275DFA-10C0-30B3-9E26-F7B5DFB1A432
    System model name: MacBookPro6,2 (Mac-F22586C8)
    System uptime in nanoseconds: 1204461918012
    last loaded kext at 65185401410: com.apple.driver.AppleHWSensor          1.9.4d0 (addr 0xffffff7f81e98000, size 28672)
    last unloaded kext at 288377302774: com.apple.driver.AppleUSBUHCI          4.4.5 (addr 0xffffff7f81109000, size 65536)
    loaded kexts:
    com.vara.driver.VaraAudio          1.0.3
    com.apple.driver.AppleHWSensor          1.9.4d0
    com.apple.driver.AppleMikeyHIDDriver          122
    com.apple.driver.AppleUpstreamUserClient          3.5.9
    com.apple.driver.AppleMCCSControl          1.0.26
    com.apple.driver.AppleHDA          2.1.3f7
    com.apple.driver.AppleMikeyDriver          2.1.3f7
    com.apple.driver.AudioAUUC          1.59
    com.apple.driver.AGPM          100.12.42
    com.apple.driver.AppleIntelHDGraphics          7.1.2
    com.apple.driver.AppleIntelHDGraphicsFB          7.1.2
    com.apple.driver.SMCMotionSensor          3.0.1d2
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.driver.AppleSMCLMU          2.0.1d2
    com.apple.GeForce          7.1.2
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.2.1
    com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.5d4
    com.apple.driver.AppleLPC          1.5.3
    com.apple.driver.AppleMuxControl          3.0.16
    com.apple.filesystems.autofs          3.0
    com.apple.driver.AppleUSBTCButtons          225.2
    com.apple.driver.AppleUSBTCKeyboard          225.2
    com.apple.driver.AppleIRController          312
    com.apple.driver.AppleUSBCardReader          3.0.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          33
    com.apple.iokit.SCSITaskUserClient          3.0.1
    com.apple.iokit.IOAHCIBlockStorage          2.0.1
    com.apple.driver.AppleUSBHub          4.5.0
    com.apple.driver.AppleFWOHCI          4.8.9
    com.apple.driver.AirPort.Brcm4331          512.20.18
    com.apple.iokit.AppleBCM5701Ethernet          3.0.8b2
    com.apple.driver.AppleEFINVRAM          1.5.0
    com.apple.driver.AppleSmartBatteryManager          161.0.0
    com.apple.driver.AppleAHCIPort          2.2.0
    com.apple.driver.AppleUSBEHCI          4.5.0
    com.apple.driver.AppleACPIButtons          1.4
    com.apple.driver.AppleRTC          1.4
    com.apple.driver.AppleHPET          1.6
    com.apple.driver.AppleSMBIOS          1.7
    com.apple.driver.AppleACPIEC          1.4
    com.apple.driver.AppleAPIC          1.5
    com.apple.driver.AppleIntelCPUPowerManagementClient          167.0.0
    com.apple.nke.applicationfirewall          3.2.30
    com.apple.security.quarantine          1
    com.apple.driver.AppleIntelCPUPowerManagement          167.0.0
    com.apple.driver.DspFuncLib          2.1.3f7
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.iokit.IOSurface          80.0
    com.apple.iokit.IOBluetoothSerialManager          4.0.1f4
    com.apple.iokit.IOSerialFamily          10.0.5
    com.apple.iokit.IOFireWireIP          2.2.4
    com.apple.driver.AppleHDAController          2.1.3f7
    com.apple.iokit.IOHDAFamily          2.1.3f7
    com.apple.iokit.IOAudioFamily          1.8.3fc11
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.ApplePolicyControl          3.0.16
    com.apple.driver.AppleSMC          3.1.1d8
    com.apple.driver.IOPlatformPluginFamily          4.7.5d4
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleGraphicsControl          3.0.16
    com.apple.driver.AppleBacklightExpert          1.0.3
    com.apple.nvidia.nv50hal          7.1.2
    com.apple.NVDAResman          7.1.2
    com.apple.iokit.IONDRVSupport          2.3.2
    com.apple.iokit.IOGraphicsFamily          2.3.2
    com.apple.kext.triggers          1.0
    com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.1f4
    com.apple.driver.AppleUSBBluetoothHCIController          4.0.1f4
    com.apple.iokit.IOBluetoothFamily          4.0.1f4
    com.apple.driver.AppleUSBMultitouch          227.1
    com.apple.iokit.IOUSBHIDDriver          4.4.5
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.0.1
    com.apple.iokit.IOUSBMassStorageClass          3.0.0
    com.apple.driver.AppleUSBMergeNub          4.5.3
    com.apple.driver.AppleUSBComposite          3.9.0
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.0.1
    com.apple.iokit.IOBDStorageFamily          1.6
    com.apple.iokit.IODVDStorageFamily          1.7
    com.apple.iokit.IOCDStorageFamily          1.7
    com.apple.driver.XsanFilter          403
    com.apple.iokit.IOAHCISerialATAPI          2.0.1
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.0.1
    com.apple.iokit.IOUSBUserClient          4.5.3
    com.apple.iokit.IOFireWireFamily          4.4.5
    com.apple.iokit.IO80211Family          411.1
    com.apple.iokit.IOEthernetAVBController          1.0.0d5
    com.apple.iokit.IONetworkingFamily          2.0
    com.apple.iokit.IOAHCIFamily          2.0.7
    com.apple.driver.AppleEFIRuntime          1.5.0
    com.apple.iokit.IOHIDFamily          1.7.1
    com.apple.iokit.IOUSBFamily          4.5.3
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          165.3
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          7
    com.apple.driver.DiskImages          331
    com.apple.iokit.IOStorageFamily          1.7
    com.apple.driver.AppleKeyStore          28.18
    com.apple.driver.AppleACPIPlatform          1.4
    com.apple.iokit.IOPCIFamily          2.6.7
    com.apple.iokit.IOACPIFamily          1.4
    Model: MacBookPro6,2, BootROM MBP61.0057.B0C, 2 processors, Intel Core i7, 2.66 GHz, 4 GB, SMC 1.58f15
    Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 512 MB
    Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
    Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.100.98.75.18)
    Bluetooth: Version 4.0.1f4, 2 service, 11 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en1
    Serial ATA Device: Hitachi HTS545050B9SA02, 500.11 GB
    Serial ATA Device: MATSHITADVD-R   UJ-898
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 5
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8218, 0xfa113000 / 7
    USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa130000 / 4
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0236, 0xfa120000 / 3
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0xfd110000 / 4
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 3

    Looks like an issue with the GPU or with VRAM. You do have a third-party extension loaded, so you might try working in Safe Mode to see if the panics cease. If they do then uninstall the software for VaraAudio to determine if its driver is the cause. Also disconnect any third-party peripherals.

  • I got 3.95GB available on my flash drive and need 4GB to reinstall lion osx how can i create space on usb using Disk Utility ??!

    I got 3.95GB available on my flash drive and need 4GB to reinstall lion osx how can i create space on usb using Disk Utility ??!

    What is the capacity of the flash drive?
    You might also be able to reinstall Lion without a flash drive, by booting up the computer holding the Command + R keys, and choosing Reinstall OS X.

  • I just replaced my hard drive and want to reinstall Lion. Was only able to use my original disks and upgrade to 10.5.8 so far.

    How can I re-download and install Lion?
    2007 iMac hard drive failed yesterday. Replaced drive with a 1Tb from apple and used original disks and software update to get 10.5.8 Leopard running. Updated QT to 7.5.5 so can launch and log in to iTunes. I had purchased Lion previously but can't seem to access the Mac App store to re-download and install my purchased copy.
    Thanks
    MJ

    Upgrade to Snow Leopard
    You can purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
    After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mavericks if your computer meets the requirements.
         Snow Leopard General Requirements
           1. Mac computer with an Intel processor
           2. 1GB of memory
           3. 5GB of available disk space
           4. DVD drive for installation
           5. Some features require a compatible Internet service provider;
               fees may apply.
           6. Some features require Apple’s iCloud services; fees and
               terms apply.
    Once you get this far you can look to reinstall Lion from the Purchases page in the App Store or by purchasing a Lion download:
    Upgrading to Lion
    If your computer does not meet the requirements to install Mavericks, it may still meet the requirements to install Lion.
    You can purchase Lion at the Online Apple Store. The cost is $19.99 (as it was before) plus tax.  It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.
         Lion System Requirements
           1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,
               or Xeon processor
           2. 2GB of memory
           3. OS X v10.6.6 or later (v10.6.8 recommended)
           4. 7GB of available space
           5. Some features require an Apple ID; terms apply.

  • After upgrading to 10.7.2, my iMac works fine for 40-50 minutes, then slows to a crawl.  Restart gets back to normal, then 40 minutes later need to restart again.  Thought about reinstalling Lion through Lion Recovery, but says my hard disk is locked?

    After upgrading to 10.7.2, my iMac works fine for 40-50 minutes, then slows to a crawl.  Restart gets back to normal, then 40 minutes later need to restart again.  Thought about reinstalling Lion through Lion Recovery, but won't let me, says my hard disk is locked?  Any suggestions?

    Launch the Terminal app in /Utilities/, run these two commands (copy & paste each one separately and hit the return key):
    sudo chflags 0 /volumes/*
    sudo chmod a+rx /volumes/*
    at the Password: prompt, type in your admin password, carefully since nothing displays on the screen, and hit the return key. These should unlock your drives. You might have to restart.

  • HT4718 I had a copy of Mountain Lion on my late 2008 MacBook Pro, having replaced Lion which it came with. But the drive,crashed, so I replaced the drive and reinstalled Lion from the original disks I had. How do I get another copy of Mountain Lion?

    I had a copy of Mountain Lion on my late 2008 MacBook Pro, having replaced Lion which it came with. But the drive crashed, so I replaced the drive and reinstalled Lion from the original disks I had. How do I get another copy of Mountain Lion?

    A 2008 Mac won't have originally shipped with Lion. You need to install 10.6.8 on the computer, log into the Mac App Store with the Apple ID you used to purchase Mountain Lion, click on the Purchases tab, and download it.
    (121465)

  • I have been working around proI am advised to reinstall Lion. I don't have a recovery disk, I downloaded it but screwed up making the disk. Can anyone tell me how to get this.

    I have had a number of problems since installing Lion on my iMac and am going to try reinstalling. I can't seem to find the recovery disk material from the App store. I downloaded it but think I should have copied the disk image rather than trying to open it as an App. You live and learn eh!
    Will someone tell me how to get this.

    The Lion Recovery disk is accessed by booting while holding down the command-r keys. To do a reinstall you do need an internet connection.

  • How to reinstall Lion without recovery disk

    I want to reinstall Lion Mountain (I have downloaded it from apple store) and I dont have a recovery disk....Can anyone help me with this?

    You can make a bootable copy using:
    Lion Disk Maker

  • Reinstalling lion ..looking for install disks...where do i get them?

    Hi all am just finished backing up and want to reinstall lion...Where do i get the disks?....is there a new operating system.....

    craigfromwa wrote:
    Hi Thanks for the advice, but am still having problems
    1. I had purchased lion for a drive that eventually died
    2. could not get the the servers with the reboot option either
    any other suggestions before i shell out cash and take the macbook to mac in perth?
    C
    What was the backup you were doing?
    Pete

  • Cannot reinstall Lion or Repair the disk cause the disk is locked

    Hello,
    I just tried to use my MacBook pro but its showing a loading bar and it loads for like 5% and then shuts down.
    I read the instruction booklet and it says that I should tried to repair the disk or reinstall Lion but when I tried to repair it stops the process and when I try to reinstall its telling me that the disk is Locked!!!
    HELP!!! Whats the next step?

    Next step - Apple store or AASP.

  • How do I reinstall Lion if I get a new hard drive?  My mac came with Leopard and I cannot find my upgrade disk for Snow Leopard

    My MacBook Pro originally came with Leopard.  I have the OS and Applications disks for Leopard but I cannot find my upgrade disk for Snow Leopard.  I would like to perform a clean install of Lion on the new hard drive and restore some data from my Time Machine backup.  I am not looking to restore the current image to my new hard drive.  I have not yet removed the exisiting hard drive nor have I wiped my data.

    The only way to do that is to buy a New SL Retail DVD. Or you could buy the Lion Install USB thumb drive from Apple for $69.
    You must have SL installed to then install Lion or have a thumb drive with the Lion installer.
    You could also create a Lion USB Recovery thumb drive using Lion Disk Assistant. But you need to have Lion already installed and the Lion RecoveryHD Partition on your drive to make the Recovery thumb drive.
    Lion Recovery Disk Assistant

  • How can I create a Lion recovery disk when the original machine is down?

    Any rapid help with this would be very appreciated - I have university work I need to complete tomorrow.
    Machine is a 13" MacBook Pro with Bootcamp and windows 7 installed but the problem is on the Mac partition
    sequence of events:-
    I was using MS Word for Mac when it crashed as being unable to write to the disk.
    I went to utilities and ran a verify permissions - failures were found - one marked as not repairable
    I ran repair permissions - it repaired all but one
    I ran verify disk - it said it there was an error which could not be repaired - reformat the drive a restore from backup
    I have full time machine backup so thought no problem
    I shut down the machine and restarted using  Cmd R and went to disk utilities - no "format disk" option.
    Browse on internet finds I have to delete the "Macintosh HD"  partition - re- create it and restore - ok
    Find I cannot delete the partition because it cannot unmount the drive - because I have booted from the recovery partition which is on that drive - catch 22
    Try to boot from original Snow Leopard disk - LION wont let you do it
    Read some more on Internet and find I can boot from the Lion Revovery HD on a USB
    Only way of getting it is to download it or create it using the machine I want to recover - but that machine won't boot in OS X ?...
    Tried the Lion Internet install but it simply fails with an " error occurred please try again.
    So can anyone tell me how I can get a recovery USB written in order to externally boot my Mac and recover it ??
    I have available:-
    Wifi
    USB drives
    Time machine backup on external USB drive
    IPad
    windows available on the MacBook
    Any help please - I am really desperate
    thanks

    If you need to reinstall from scratch:
    Install or Reinstall Lion from Scratch
    If possible backup your files to an external drive or second internal drive.
    Boot to the Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
    Erase the hard drive:
    Select Disk Utility from the main menu and click on the Continue button.
    After DU loads select your startup volume (usually Macintosh HD) from the left side list. Click on the Erase tab in the DU main window.
    Set the format type to Mac OS Extended (Journaled.) Click on the Erase button and wait until the process has completed.
    Quit DU and return to the main menu.
    Reinstall Lion: Select Reinstall Lion and click on the Install button.
    Note: You can also re-download the Lion installer by opening the App Store application. Hold down the OPTION key and click on the Purchases icon in the toolbar. You should now see an active Install button to the right of your Lion purchase entry. There are situations in which this will not work. For example, if you are already booted into the Lion you originally purchased with your Apple ID or if an instance of the Lion installer is located anywhere on your computer.

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