RESTORE & RECOVERY OPTIONS IN WINDOWS 7

The Setup program of Windows 7 automatically create a Windows Recovery
Environment (Windows RE) partition and install additional components that can be used for recovery and troubleshooting in that partition. 

These tools include:

* Startup repair Repairs problems that prevent Windows from starting. If the boot
            manager or a corrupted system file is preventing startup, the tool is started
            automatically and will initiate repair of the computer.

* System restore Restores Windows to a state at an earlier point in time. If a
            configuration change or application installation is preventing startup and restore
            points are available, This option can be use to restore Windows to a state prior
            to the change.

* System image recovery Performs a full recovery of the computer by using a system
            image created previously. If Startup Repair, System Restore, and other
            troubleshooting techniques fail to restore the computer in this case this option
            can be use to restore the computer from the backup image provide there is
            image backup.

* Windows memory diagnostics Performs diagnostics on the computer’s memory. If
            memory hardware errors are causing startup or other problems with the
            computer, this tool can be use to identify the problem. Administrator can use this
            tools to recover computers. If a remote user can’t start Windows, the user can be
            suggested to use the process of starting Windows RE and initiating  recovery
            provided the remote user is given access to the Advanced Boot Options
            menu