- #Download mac os x lion bootable usb how to
- #Download mac os x lion bootable usb install
- #Download mac os x lion bootable usb download
The app will give you the option of creating a bootable drive out of either a DVD or a USB keychain.
#Download mac os x lion bootable usb install
Start the Lion DiscMaker app with your USB flash drive plugged in and with the Lion install file sitting inside your application folder. Lion DiscMaker makes this part of the process a snap. You have been warned! Creating Your Bootable Drive You can follow the Step 4 to install Lion on other Macs with the bootable USB you just created.Now, before you start formatting your drive, back up anything currently on your flash drive that you’d like to keep–because this process will completely erase the contents of the USB drive and rewrite it with a copy of Lion.
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Now follow the on screen instructions to install OS X Lion.Choose the USB Flash Drive from there to boot.Hold down the alt/Option key on your keyboard when you hear the OS X start-up sound.Reboot your Mac with the USB drive plugged in.This will restore the Lion 10.7 image to the USB Flash drive.
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Make sure you have chosen the right USB drive, you don’t want to format the wrong drive and then click on Restore button.Then Click and Drag the USB drive from the left pane and drop it in the Destination field.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. Now click on Options button at the bottom.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.Plug the USB flash drive into your Mac.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. Now go to Contents > SharedSupport directory. Right click on the Install Mac OS X Lion.app file and select Show Package Contents Once the Lion downloading is complete, go to the Applications folder and find the Install Mac OS X Lion.app file you just downloaded
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#Download mac os x lion bootable usb how to
If 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 Drive… How to Make Mac OS X Lion Bootable USB Flash Drive Step 1 – Locate the Lion InstallESD.dmg file
#Download mac os x lion bootable usb download
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