Sony VGC-RA204 Hardware Manual page 53

Hardware Guide
To change your display from VGA to DVD-D or vice versa, proceed as follows:
1
Connect the display(s), as described in the printed Getting Started or in the instructions delivered with the display, if applicable.
2 Go to Control Panel.
3
Click Appearance and Themes then Display.
The Display Properties dialog box appears.
4 Click the Settings tab and then Advanced.
5
On the Displays tab, select DVI-D and click OK when you have finished.
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Connecting peripheral devices