If you wish to boot back into Lion before finishing the tutorial, you can simply restart your Mac holding Option, and this time choose your main hard drive. Most Mac users who are upgrading to OS X Yosemite should go through the standard process via the Mac App Store and start the installation from there, it’s by far the easiest approach and it generally goes flawlessly.
Quit it and extract InstallESD.dmg from the Install Mac OS X Lion file found in Applications, as described above. mac os Macbook Pro And now with respect to the old man who knew Chinese, but could not tell what was o'clock. When it's finished downloading, the installer starts automatically.
Lion is available to download you won't have to pay for it again.
Update to 10.6.8 using Software Update, and open the Mac App Store. Choose to boot from Mac OS X Install DVD, and when instructed, install Snow Leopard on the external drive.Īfter your Mac reboots from the newly installed version of Snow Leopard, follow the on-screen prompts to set it up, as you would a new Mac. You can even use Safari to get help from Apple Support online.With your Snow Leopard install disc in the optical drive, restart your Mac with the Option key held down. In Lion Recovery you can check or repair your hard drive, erase your hard drive and reinstall a fresh copy of Lion, or restore your Mac from a Time Machine backup. To run the Lion Recovery utility, hold down Command + R keys during startup. One of new features in Mac OS X Lion is system recovery from the hard drive. Press Restore button and the Disk Utility will create Mac OS X Lion bootable installation USB flash disk. Select the InstallESD.dmg file as a source and the USB flash disk as a destination.
DVD or USB Lion installation is useful if hard drive partitions in your Mac crashed or after installation of a new hard drive to your Mac, because Lion Recovery utility will be unavailable. To run Lion Recovery press and hold Command + R keys during startup. Lion Recovery can restore Lion to default settings, like after clean installation. Mac OS X Lion has integrated recovery utility called Lion Recovery. Disk Utility that is used to create the USB Lion installation, will format the USB flash disk and all data saved on it will be deleted. The USB flash disk must have more than 5 GB of free capacity. Mac OS X Lion USB flash disk installation must be created before you update your Mac, because after update process, the system will delete the installation application.
How to create bootable installation flash disk of Mac OS X Lion