Contents
How do I reinstall my Macbook Air 2012?
4 Answers
- Go to the Applications folder and find the installer, which should be called Install Mac OSX Lion.
- Right+click on it and choose Show Package Content from the contextual menu.
- Under Contents / Shared Support you’ll find a file called InstallESD.
- Select the installer and click the Restore button.
How do I reinstall Mac Lion without CD?
Reinstall Your Mac’s OS Without an Installation Disc
- Turn your Mac on, while holding the CMD + R keys down.
- Select “Disk Utility” and click on Continue.
- Select the startup disk and go to the Erase Tab.
- Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.
- Disk Utility > Quit Disk Utility.
How do I reinstall Lion on my Mac?
Reinstalling Lion
- Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
- If prompted, select your main language and then click the arrow.
- Click Reinstall OS X, and then Continue.
How to reinstall OS X Lion on MacBook Air?
Can’t reinstall Mac OS X Lion on my MacBook Air 1 Press alt+power button 2 Choose Utilities –> erase Macintosh HD 3 Reinstall the Mountain Lion OS X through internet. More
Why is Mountain Lion OS X temporarily unavailable?
Reinstall the Mountain Lion OS X through internet. However, after trying to install the OS X, and entering an apple id (my brother’s, since his id worked – probably because he used his id when installing the OS X on this computer the first time), an error message pops up, saying: “This item is temporarily unavailable. Please try again later”
How long does it take to install Mac OS X Mountain Lion?
How to Install (or Reinstall) Mac OS X Mountain Lion. The operating system takes 30 to 60 minutes to install, so now might be a good time to take a coffee break. When the install is finished, your Mac restarts itself. If you were reinstalling OS X on a hard disk that it had been installed on previously, you’re done.
What happens when I reinstall OS X on my Mac?
When the install is finished, your Mac restarts itself. If you were reinstalling OS X on a hard disk that it had been installed on previously, you’re done. Your Mac will reboot and you can begin using your new, freshly installed (and ideally trouble-free) copy of OS X Mountain Lion.