how to make bootable pendrive for mac os x

Make Bootable Pendrive How To Create A

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Please include the Ray ID (which is at the bottom of this error page).

If you have multiple Macs, youve probably been dreading the long process of downloading and installing it on all of them.

Make Bootable Pendrive How To Create A

Heres how to create a bootable backup disk and save yourself some time.

But before you do anything else, a word of caution: once youve used the OS X installer, it will automatically delete the file you need to make the backup disk, so youll want to either make a copy of the installer or create your disk before you upgrade.

You can use a USB flash drive, external hard drive, or DVD-R disc, but the USB drive is quicker.

If youre using a USB drive, it has to be formatted as Mac OS Extended (Journaled) and set to partition type GUID Partition Table in order to work.

Image via arstechnica.net You can find out more on how to do this here.

Click on Show Package Contents and then find the folder called Shared Support.

Image via arstechnica.net Once inside, browse to the Contents SharedSupport folder where there will be a file called InstallESD.dmg.

This is the image file that contains the information you need to create the backup disk.

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However it appears that this has no effect on the restore, and the USB is usable afterwards.

Weve seen it too on some Macs, but as you say, it still works just fine.

Start holding it before you see the apple logo, and keep holding until you see the list of bootable drives.

How To Make Bootable Pendrive For Mac Os X