Sony PCG-R505DC - Manual (Page 115)

Selecting a Display Mode
When you connect your computer to an external display (projector, computer, or monitor), you can switch the display mode
between your computer's screen (LCD) display and the external display, using shortcut keys or the Display Properties
settings.
Shortcut keys Result
Fn+ / (F7) Toggles between the computer's screen (LCD), a connected external display (projector or computer
monitor), and both the LCD and external display.
Select one display at a time. Connect the cable before you turn on the computer, otherwise Fn+F7 will not work.
To switch the display mode using the Display Properties settings
1. Plug the external display monitor (VGA) cable into the Monitor (VGA) port on your computer.
2. Right-click the desktop, and click Properties from the shortcut list. The Display Properties dialog box appears.
3. Click the Settings tab, and then click Advanced. The Sony Notebook LCD and Intel(R) ... dialog box appears.
4. Click the Intel ® Graphics Technology tab, and then click Graphic Properties.
5. On the Devices tab, click either Monitor or Intel(R) Dual Display Clone, depending on your display
preferences.
You may not be able to display the computer's screen (LCD) and an external display or projector at the same time,
depending on the types of computer displays and projectors you are using.
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