skidaa.blogg.se - Mac os x lion bootable usb

Navigate to Applications>Utilities in the Finder and launch Disk Utility. Then click on Edit again and choose Paste Item. Now, with this file selected, click on Edit in the menu bar at the top of the screen, and select Copy InstallESD.dmg.Ĭlick on your desktop wallpaper so the menubar at the top says Finder. Now hold down the control key while clicking on the Install Mac OS X Lion icon, and choose Show Package Contents.įind and double-click on the Shared Support folder.Ĭlick once on the InstallESD.dmg file to select it. Once it’s done downloading, go to the Finder and look for the Install Mac OS X Lion icon in the Applications folder. This will take some time, so you might want to do something else and come back to it awhile later. It will be located on the right hand side under Quick Links.Īfter clicking download, you’ll be taken to Launchpad (if you’re already using Lion). Don’t need to spend time and bandwidth to re-download OS X Lion.First launch the Mac App Store and find OS X Lion. Though a recovery partition will be created when you install OS X Lion, a installation DVD or thunmb drive is good to have for “clean install” or new hard drive. Then you can boot into DVD or flash drive there. To use the OS X Lion DVD and USB flash drive, you press and hold “Option” key when you hear Mac startup chime at start up. How to boot into OS X Lion installer DVD or USB thumb drive Click “Restore” button to create your bootable OS X Lion thumb drive.After done formatting, click on the “Restore” tab, and choose the “InstallESD.dmg” file as “Source:” and your flash drive as the “Destination:”.Click “Apply” button to format your thumb drive (all data on the thumb drive will be erased).Click “Options…” button under the partition table and choose “GUID Partition Table”, so that the thumb drive is bootable.Under “Partition Information”, choose “Mac OS Extended (Journaled)” for “Format:”.Goto “Partition” tab and select “1 Partition” from the “Partition Layout” dropdown menu.Plug in your thumb drive and select it in the left-hand sidebar in Disk Utility.It takes more steps to make an OS X Lion thumb drive: Make offline OS X Lion installer flash drive

Select the disk image (.dmg) in the Disk Utility’s sidebar, and click “Burn” button to start burning DVD.ĢB.

Now, open “Disk Utility” app and drag the “InstallESD.dmg” file into the left-hand sidebar of Disk Utility.

You will get a file called “InstallESD.dmg”. Open “Contents” folder, then “SharedSupport”. Right-click on the OS X installer and click “Show Package Contents”.