How to use external hard disk to restore the computer system

How to move the hard disk to restore the computer system has installed a computer system has been a bad ghost, but there is no backup
GHOST V2008 that is installed on your computer but does not back up the file system is now broken with no reduction in the how to do something. There are mobile hard drives and other computer-aided,

1. WINDOWSghost another computer to download the depth of the mirror system
2. Mobile hard disk boot disk made of windowsPE
3. With good movement of the PE boot disk in the system is broken computer system to start PE
4. The ghost recovery with PE