Fujitsu System Restore Vista

Taken from the Fujitsu support site, picking a random Amilo model since you
didn’t name yours, this is what they say to restore the computer using its
recovery partition:

Solution:

1. During PC start press F8 to open Advanced Options.

2. Select Repair your Computer.

3. Select keyboard layout.

4. Select User name and Password. If Administrator account is disabled
use another account.

5. Select in System Recovery Options the Fujitsu Siemens Computers
Recovery

6. Restore Factory Default Settings to restore the system image.

7. Select the source From hard disk (recommended).

8. Last confirmation to restore the image.
The factory default settings are restored on drive C:.
The data in partition D: keep in an existing state.