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1. #MAKE BOOTABLE USB FOR MAC LION HOW TO#
2. #MAKE BOOTABLE USB FOR MAC LION MAC OS X#
3. #MAKE BOOTABLE USB FOR MAC LION INSTALL#
4. #MAKE BOOTABLE USB FOR MAC LION PASSWORD#
5. #MAKE BOOTABLE USB FOR MAC LION BLUETOOTH#

When the restore is complete the OS X Mountain Lion USB Install Key will be mounted and it will be ready to use.

#MAKE BOOTABLE USB FOR MAC LION PASSWORD#

Enter your administrative username and password then click OK.

#MAKE BOOTABLE USB FOR MAC LION MAC OS X#

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. This Is Mac Sierra older than El Capitan MacOS Sierra is a free upgrade.

#MAKE BOOTABLE USB FOR MAC LION BLUETOOTH#

When asked to confirm click the Partition button. No problem after sleep mode, no problem with usb, bluetooth and wifi, fast boot. 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. Then double click the SharedSupport folder 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.

#MAKE BOOTABLE USB FOR MAC LION HOW TO#

The trick is to replace only the second occurrence, ie, use the createinstallmedia executable from the El Capitan installer.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. Replacing both occurrences 'El\ Capitan' with 'Mountain\ Lion' gives the expected message that createinstallmedia is not found inside the Mountain Lion installer (because it didn't exist back then when the installer was created). Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app -nointeraction Instructions to create a bootable El Capitan (or Mavericks or Yosemite) installer on a computer running El Capitan all seem to rely on a small (command line) executable called createinstallmedia that is part of the OS X Install application (/Contents/Resources), even the GUI options like Disk Maker X seem to rely on it. Unfortunately the result doesn't appear to be bootable. These instructions cannot be followed to the letter anymore since Disk Utility has changed significantly in El Capitan but there still is a restore feature. Instructions to create a bootable Mountain Lion installer (on a computer running Mountain Lion) usually use the Restore feature in Disk Utility to 'restore' the bootable image inside the installer (InstallESD.dmg) to a USB stick (where 'restore' means cloning the disk image to the USB stick and making it bootable). But I have not found any instructions of how to create a bootable Mountain Lion installer under El Capitan. There are also instructions on how to create a bootable Mavericks or Yosemite installer under El Capitan. There are many instructions on how create a bootable Mountain Lion installer on a computer running Mountain Lion, a Mavericks installer on a Mavericks system up to an El Capitan installer under El Capitan. Trying to, you get a message that the copy of "Install OS X" is too old to be opened on this version of OS X.

You need to make a bootable installer because the ML installer itself won't run under El Capitan. This requires that you have both the El Capitan installer as well as the Mountain Lion installer on your computer (at the paths indicated above, adjust the paths in the command if necessary) and that you have an HFS+ volume with the name 'Untitled' mounted (adjust the name in the command if necessary). Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ Mountain\ Lion.app -nointeraction If you ever wondered how to create a bootable OS X Mountain Lion installer under El Capitan, here is the Terminal command to do so: