Sony PCG-F640 - Manual (Page 68)

VAIO Notebook User Guide
68
To select a display
When you connect an external display to the monitor connector, you can toggle
the output between the Liquid Crystal Display (LCD), the external monitor, or
both devices.
Use the Fn+F7 keys to select a display. See also “Selecting the Display Mode” in
the online manual “Customizing Your VAIO® Notebook” for more information.
To Press Result
Switch to an
external
display Fn+F7 Toggles between the LCD, the external display
connected to the Monitor connector, or both the
LCD and external display.
Only LCD LCD and external display
Only external display