#Make A Usb Drive Bootable Mac OS X Lion

Make A Usb Drive Bootable Mac OS X Lion

Before formatting, If you have any data on your USB drive then save it Locate the file named: InstallESD.dmg and copy it on your desktop. Purchase and Download Mac OS X Lion from the App StoreIf you have arranged the above mentioned items, simply follow the detailed guide below to create a bootable Mac OS X Lion 10.7 USB Flash DriveвЂ¦ How to Make Mac OS X Lion Bootable USB Flash Drive Step 1 вЂ“ Locate the Lion InstallESD.dmg fileOnce the Lion downloading is complete, go to the Applications folder and find the Install Mac OS X Lion.app file you just downloaded Right click on the Install Mac OS X Lion.app file and select Show Package Contents Now go to Contents > SharedSupport directory.

Input a name for the USB and Choose Mac OS Extended (Journaled) Select 1 Partition from the Volume Scheme dropdown menu Select the plugged USB from the Left pane on the Disk Utility and click on Partition tab

Click and drag the IMac OS X Install ESD from the left pane and drop it in the Source field Select the plugged USB from the Left pane on the Disk Utility and then go to Restore tab Double-click on InstallESD.dmg (that you copied onto your Mac desktop) to mount the Lion disk image (mounted InstallESD.dmg should appear on Disk Utility application and desktop) Now click on Apply at the bottom right to start formatting. Select GUID Partition Table and click OK.

Wait for the process to complete. This will restore the Lion 10.7 image to the USB Flash drive. Make sure you have chosen the right USB drive, you donвЂ™t want to format the wrong drive and then click on Restore button

Make A Usb Drive Bootable For Mac Os X