OS X Lion boot Disk production tutorial

Many people have purchased the latest operating system lions (OS X Lion) in Apple's App store. However, after the upgrade found some problems, such as: power-on and shutdown speed significantly slower, some programs stop responding. Today I'd like to introduce how to make a startup USB drive to install a new operating system after buying OS X Lion from the app store to avoid problems from the old system upgrade.

First, the OS X lion that you just downloaded from the App Store will be placed in the dock at the bottom of the screen.

Drag the Mac OS X Lion 10.7 files from the dock to the desktop with the mouse.

Right-click Mac OS X Lion 10.7 and select Show package content.

In the Contents folder, go to the Sharedsupport folder and locate the Installeso.dmg file.

Double-click to run the InstallESD.dmg file and wait for the load to complete.

Start finder, go to Application-utility-double click Disk Utility.

Insert a U disk (at least 8G capacity). Click the U disk name, select "Partition", select "1 Partitions" in the partition layout option, the name is recommended to use the number "1", format select "Mac OS Extensions (log)", then go to "options".

Partition Scheme select GUID Partition table. Click "OK" to go back to the partition screen and click "Apply" to partition and format the U disk.

U disk format After the completion of the Select "Recovery" option. Drag the formatted USB disk "1" to the right side of the destination disk, drag "Mac OS X Install ESD" to the column to the right of the source disk, and click "Restore".

Click Erase in the pop-up prompt box.

A u disk is being tested into the file. Note: The estimated time is related to U disk speed.

Launch U disk after the completion of the disk drive by the original "1" Into the "Mac OS X Install ESD." This USB disk can be used to start and install the lion system.

Insert U disk boot, long press "option" key into the launch interface, select the yellow "Mac OS X" can boot the system to install.

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