Siemens Simatic box pc 627b Operating Instructions Manual page 90

Maintenance and service
11.2 Reinstalling the Operating System
3. Select the Boot menu and move the entry "CD-ROM Drive" to the first position.
4. End the BIOS setup with the "Exit Saving Changes" entry.
5. Now follow the instructions on the screen.
Caution
All existing data, programs, user settings and authorizations or license keys will be deleted
from the hard disk and therefore lost.
For information on the functions, refer to the README.TXT file on the Restore CD.
Note
The "Legacy USB Support" option has to be set to "Enabled" in the Advanced menu of the
BIOS so that the device can address a USB CD-ROM drive.
11-18
Operating Instructions, Release 05/2006, A5E00362052-03
SIMATIC Box PC 627