- #How to download mac os x lion usb bootable how to#
- #How to download mac os x lion usb bootable install#
- #How to download mac os x lion usb bootable password#
- #How to download mac os x lion usb bootable free#
When the restore is complete the OS X Mountain Lion USB Install Key will be mounted and it will be ready to use.
#How to download mac os x lion usb bootable password#
Enter your administrative username and password then click OK. Make sure the Mac OS X Install ESD is set as the Source then drag the MOUNTAINLION partition from the list on the left into the Destination field.Ĭlick the Restore button then click the Erase button from the confirmation popup to begin building your install key.Īnother popup will appear asking you to log in. Select the new Mac OS X Install ESD partition that appears then click the Restore tab. Right click or control-click the InstallESD.dmg image from the left side of Disk Utility and choose Open Disk Image from the popup. When asked to confirm click the Partition button. Next click the Apply button to save your changes. Set the Partition Layout to 1 Partition, set the Name to 'MOUNTAINLION', set the Format to Mac OS Extended (Journaled), and then click the Options button.Ĭhoose GUID Partition Table from the popup window then click the OK button. Select your USB thumb drive from the list on the left and click the Partition tab. Right click or 'Control' click InstallESD.dmg and select Disk Utility from the Open With menu.
Choose Boot drive for data recovery and select the source and target volumes. Download, install, and launch Disk Drill.
#How to download mac os x lion usb bootable free#
Then double click the SharedSupport folder Disk Drill offers the ability to create a bootable drive with a simple process that is available as a free feature available in all versions of the software. Navigate to the Applications folder and right click the new "Install OS X Mountain Lion" icon then select Show Package Contents from the contextual menu. Select Quit from the Install Mac OS X Lion to exit the installer.Ĭlick to launch a new Finder window from your dock. Once the download has completed the Mac OS X Lion Installer will launch. If the LaunchPad appears press the Escape key. Press the Install button for OS X Mountain Lion and wait while the operating system downloads. **If you have not yet installed Mountain Lion then you can follow these instructions to buy it and begin downloading.
#How to download mac os x lion usb bootable how to#
Con.These are instructions on how to create a bootable OS X Mountain Lion USB key.Ĭonnect a 8GB or larger USB key to your computer then launch the Mac App Store from your dock.Ĭlick the Purchased tab at top of the window then hold down the Option key and click the Purchased tab again.
Next select the “ Restore” section and click the “ Image…” button next to the “ Source” input field.Ī window will open in which you have to select the previously copied or moved “ InstallESD.dmg“, and then click “ Open“. Open Disk Utility (you can find in the “ Utilities” folder of your “ Applications” folder, or you can use Spotlight to find it).įirst we must find our USB drive on the left side of the Disk Utility window – make very sure that you’re picking the right device, since the drive will be completely erased! In my example I’m using a 64Gb Kanguru eFlash (very fast USB pen drives and great customer service!).įirst select the correct drive and partition. As you can see in the image below I selected a partition of the 64.39 Gb drive. CAUTIONThe drive will be completely wiped in this process!