Sony PCG-R505GCK - Manual (Page 56)

VAIO Computer Quick Start
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Why don’t my changes appear on the computer (LCD) screen?
You may need to refresh the computer screen. Press the Windows key and
press D twice.
How do I adjust the image on the TV screen?
Use the controls on your external display to adjust the image. See the help guide
that accompanied your display for more information.
How do I change the video resolution on the TV screen?
The video may not appear on the entire TV screen if your computer resolution is
set to 1024 x 768 or greater. To change the video resolution, follow these
instructions:
1 Right-click the desktop, and select Properties from the shortcut menu. The
Display Properties dialog box appears.
2 Select the Settings tab.
3 Move the screen resolution slider to the left to reduce the size and to the right
to increase the size of the video resolution.