- MAC OS X .ISO TOO LARGE FOR USB HOW TO
- MAC OS X .ISO TOO LARGE FOR USB MAC OS X
- MAC OS X .ISO TOO LARGE FOR USB INSTALL
MAC OS X .ISO TOO LARGE FOR USB INSTALL
Copy the OS X install disc image (usually "InstallESD.dmg") to your local hard disk e.g.If you have an OS X install disc image:.Drag the "Mac OS X Install ESD" icon of your external device from the left to "Destination".Drag the "Mac OS X Install ESD" icon of your install disc/USB thumb drive from the left to "Source".On the left select the Install DVD (or the official Lion thumb drive) titled "Mac OS X Install ESD".Copy the volume name of the Install DVD (or the official Lion thumb drive) exactly (usually "Mac OS X Install ESD") to the external device volume you are going to use.Insert your Install DVD (or the official Lion thumb drive).If you have an Install DVD (or the official Lion thumb drive):.Make sure you have obtained the OS X install disc image or created an Install DVD. To boot from it shut down your target computer, connect your external device and startup your computer holding down Option to choose the external installation device from the Startup Manager.įor OS X 10.7 and 10.8 NOTE: This process will erase your external device and wipe all data on it.Your External Installation Device is now ready for use.Unmount and disconnect your external device.
MAC OS X .ISO TOO LARGE FOR USB MAC OS X
Eject the Mac OS X installation DVD disc.When the process has finished Quit Disk Utility.For safety don't do anything else on your computer until the process has finished.As you've erased/formatted your external device in the steps above you do not need "Erase Destination" ticked but it does no harm to leave it.Drag the "Mac OS X Install DVD" icon of your external device from the left to "Destination".
Drag the "Mac OS X Install DVD" icon of your install disc from the left to "Source".NOTE: with macOS 10.13 or later Disk Utility only shows volumes by default and the Sidebar can be hidden - go to View menu > Show Sidebar and View menu > Show All Devices to see everything. On the left select your original "retail" Mac OS X installation DVD disc titled "Mac OS X Install DVD".Go to Macintosh HD > Applications > Utilities > Disk Utility.Copy the volume name of your original "retail" Mac OS X installation DVD disc exactly (usually "Mac OS X Install DVD") to the external device volume you are going to use.Insert your original "retail" Mac OS X installation DVD disc or the install disc for your particular computer.There is nothing stopping you creating multiple partitions and putting different versions of the Mac OS X installer on each partition. With large hard disks we highly recommend partitioning them before using them as an external installation device. However, the volume/partition you are going to use cannot be used for anything else so there is no need for it to be too large. NOTE: For safety the volume/partition you are going to use must be at least 10GB in size. Disconnect all external devices except for monitor, keyboard, mouse and required storage volumes.Make sure you have your original "retail" Mac OS X installation DVD disc to hand, then follow these instructions: For OS X 10.7 and 10.8 (Using Apple's "Recovery Disk Assistant")įor Mac OS X 10.4, 10.5 or 10.6 NOTE: This process will erase your external device and wipe all data on it.Instructions for creating an External Installation Device for macOS Creating An External Installation Device
MAC OS X .ISO TOO LARGE FOR USB HOW TO
How To Create An External Installation Device Article ID = 36Īrticle Title = How To Create An External Installation Device
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