How Windows 7 systems are backed up
System Self Backup
1. Create a restore point
Right-click on the Computer icon, select "Properties", and then in the upper-left corner you can see the "System Protection" option;
Finally, click on the "System Protection" option, pop-up a Conversation box, select System Protection
Then select the Local System disk C, protection here choose to open, then click Create, Pop-up a box, enter your own description of this restore point, in order to restore the system at a later time, prompted to create a restore point, such as a minute or two, prompted the successful creation of restore points, to complete the creation of the entire restore point;
2. Create a System Image: Control Panel---System and security---backup and restore---create a system image;
3. Into the Control Panel backup Restore function, set system mirroring. To restore, restart press F8, select the repair computer, and after entering the options interface, select recover the computer from the mirror.