Create Apple U disk Startup disk

The perfect step to create the Apple U disk Boot disk:

The first step, naturally, is to prepare the installation files. If you are downloading from the App Store, just put it in the system's/applications/directory folder. In the DMG format, you need to open it under the Apple system and then copy the installation files to the application folder.

Step two, to the/applications/directory, right-click on "Install Mac OS X Mountain Lion.app", select "Show Folder Contents", Open the "Contents" directory, and then open the "sharedsupport" directory and find " INSTALLESD.DMG "file. Double-click installesd.dmg to load onto the system desktop.

And then you need to use the disk tool, in the utility to pull out,

Step three, restore the installation files to the U disk

Plug in a U disk, open the disc tool, the left side can see the system hard disk and used to do the boot disk of U disk. Here is the selection of SanDisk 16G, to wipe the first "Erase" under.

Select the U disk on the left side, select the Mac OS Extended log format in the right-hand option, the name is random, point erase "Erase".

Fourth step, use a specific format to erase U disk

The rest of the work is to "restore" the installer to the USB drive and still use the disk tool. Click the Restore button on the right side of the disk tool to drag the installer (Mac OS Install ESD, left visible) before the desktop to the source, drag the U disk to the target location, and point to restore.

The OS X 10.8 Installer is restored to the U disk, the recovery process takes time according to the U disk read and write speed is different and fast, generally need 20-30 minutes. If you can't wait, you can use SSD to move the hard disk instead. In this way, the Apple U disk boot disk is done, the rest is the installation.

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