For more on Mountain Lion, be sure to read the official Cult of Mac review. If you’d rather install Mountain Lion without a bootable copy and keep your setup the way it is, refer to our general tutorial. Choose your Mac’s hard drive and begin installing Mountain Lion.īy following those steps, your Mac will be restored to Apple’s stock setup and all of your personal files will be gone. After Big Sur launches later this year, you’ll be able to download it directly from the Mac App Store.
Id been hunting around online for a way to create a bootable USB so I could reinstall OS X Lion on my mid 2009 Macbook Pro. Thought Id share some useful information. (Make sure you have a backup first, just in case.) Creating bootable USB for MAC OS X on Windows 10. From the erase tab, choose “Mac OS Extended (Journaled)” and wipe your drive. Inside the Mountain Lion installation tool, you can open Disk Utility and erase your Mac’s hard drive.Restart your Mac while holding down the option key.For a clean install of Mountain Lion on any compatible Mac, follow these steps:
Now that you have a bootable copy of Mountain Lion, this drive/disk acts as a full-fledged setup tool for upgrading other Macs to the new OS. Connect a USB flash drive (formatted as MacOS Extended Journaled) into your Mac and select Create a bootable installer from the three Installation Method.
