Before proceeding, read the important information on the Restore Your System screen that windows vista home premium service pack 1 won't install appears when you choose this option.
However, in my testing, this didnt work on every Internet Recovery-capable Mac.
Make sure that you wont need any of the contents of the flash drive, if you do, keep a backup of it somewhere first.
For starters, as Apple explains, the drive must be formatted with.Once the download completes, come on back here to continue the clean install process.However, you arent required to perform this step now, as youll also be able to choose a network once youre booted into recovery mode.One other difference between standard recovery mode and Internet Recovery is that when you boot into Internet Recovery, the system tests your Macs RAM and its hard drive to see if either has any obvious hardware problems.Note: This will remove everything in the flash drive.The easy way, on most Macs, you can access recovery mode by simply restarting or starting up the Mac while holding down CommandR.Guid partition scheme and Mac OS Extended (Journaled) format, and it must be at least 13GB in size.(It was called Lion Recovery under Lion.) When you install Mountain Lion or Lion, the installer creates an invisible, bootable, 650MB partitiona portion of a drive the operating system treats as a separate volumeon your startup drive called Recovery HD that includes a few essential.Restart or start up your Mac while holding down the Option key; keep holding Option until the Startup Managera gray screen showing all connected, bootable volumesappears.Internet Recovery comes into play only if you have a compatible Mac with no working Recovery HD partitionin that case, your Mac automatically uses Internet Recovery.Do note that if you are reinstalling OS X to try and repair some greatly messed up operating system install, youd likely be better off performing a true clean install of the system software by formatting the drive and then installing OS X onto.Here are couple of reasons we can think of: One, your existing Mac OS X inherited documents, files and applications that take up a lot of unnecessary storage space.When you click Continue on the initial installer screen, youll get a dialog stating, To download and restore OS X, your computers eligibility will be verified with Apple.When you see a spinning globe icon, Internet Recovery mode has been entered with a message saying it can take a while, a progress bar appears as the recovery functions are downloaded.Reboot, Clean up and Reinstall, you ready?
For Macs that do not currently have an operating system found or installed, the option will show as Install OS X rather than Reinstall.
Do not start the installation process when your download finishes.Drag Mac Onstall ESD on the left menu to Source.Once this process is finishedon a MacBook Air, it took about an hour and a half for approximately 65 GB of datayour Mac will restart from the newly restored drive and youll be able to log in normally.If the problems your Mac is having are serious enough that you need to erase your startup drive (perhaps using Disk Utility in recovery mode, below or if youve installed a new drive in your Mac, this option lets you restore, from a Time Machine.Here is a breakdown of the steps involved: Download a copy of Mac Oountain Lion.Accessing recovery mode, you can access recovery mode only when your Mac starts up, although there are two ways to.Look for, oountain Lion, hold down the Option key and click.
You can start the internet recovery reinstall process from either a shutdown Mac, or by rebooting the Mac.