Install Os Lion

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Install Macos Lion Download

Install os lion
  • Reinstalling Lion

Or the HD transplant method: setup a Lion VM, pull the hard drive from the macbook and connect it to a computer, boot the OSX Lion installer in a virtualmachine and chose that disk to install onto, when finished put the drive back into the macbook. UniBeast is a handy Utility that helps you create a Bootable USB pen drive for easy installation of Mountain Lion OS X 10.8 on PC. Here’s what you need: UniBeast / Multibeast. Download it from Tonymac forums and install to /Applications. Access to an operational OS X system. (This can be your friend’s macbook or another hackintoshed system). At the Boot menu, press the enter key (or return key) to start the OS X Mountain Lion installer. If you are trying to install OS X Mountain Lion on a computer using an AMD or Intel Atom processor, you’ll have to type the boot flag amd (for AMD processor) or atom (for Atom processor).

Upgrading to OS X 10.7 (Lion)

Install Os X Lion Download

OS X 10.7 (Lion) is no longer available for purchase from the MacApp Store. If you have an earlier version of Mac OS X and yourcomputer meets the systemrequirements for OS X 10.10 (Yosemite), you can upgrade directlyto that version instead; see ARCHIVED: How do I install or upgrade OS X 10.10 (Yosemite)?

If your computer does not support Yosemite or you would rather haveLion, you may still be able to purchase it directly from Apple(1-800-MY-APPLE).

Reinstalling Lion

To reinstall or recover Lion, you must have an active Internetconnection. If you are on campus at Indiana University,UITS recommends the wired Ethernet network instead ofwireless. However, if IU Secure is your only option, seeConnect to an IU wireless network in macOS if booted from your Recovery HD

Reinstalling while keeping files, applications, andsettings

  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
  2. If prompted, select your main language and then click the arrow.
  3. Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk. Click Install, and enter your Apple ID information if prompted.
  4. When the installation is complete, select App Store... from the Apple menu, and install any available updates.
Install Os Lion

Cant Install Mac Os Lion 10.7

Reinstalling while erasing everything on your computer

Install os lionInstall macos lion download
  1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

  2. If prompted, select your main language and then click the arrow.
  3. Click Disk Utility, and then Continue.
  4. In Disk Utility, from the left column, click your harddisk. Select the Erase tab.
  5. Next to 'Format:', make sure Mac OS Extended (Journaled)is selected. Next to 'Name:', give your disk a name.
  6. If you would like to securely erase your data, click SecurityOptions..., adjust the slider accordingly, and clickOK. When you're ready, click Erase..., andthen Erase again to erase your disk. When the processcompletes, quit Disk Utility.
  7. Click Reinstall Mac OS X, and then clickContinue. Follow the instructions and then choose your harddisk. Click Install and enter your Apple ID information ifprompted. Once the installation is complete, you will be asked toenter basic information and have the option to transfer data fromanother computer or a backup.
  8. From the Apple menu, select Software Update... andinstall any available updates.
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