How Do I Run Windows Aero - Sony VAIO VGN-TXN20 Series User Manual

What should I do if the external display stays blank?
If you cannot change the display output with the Fn+F7 keys, you need to change the settings for the external display with
VAIO Central. To change the settings, launch the VAIO Central, click the System Information tab and select the control
item for the external display, and then cancel the check box for enabling the automatic function to select the external display
for the output. Then, try the Fn+F7 keys to change the display output.

How do I run Windows Aero?

This Q & A entry applies to selected models only.
To run Windows Aero, follow these steps:
1 Click Start and Control Panel.
2 Click Customize colors under Appearance and Personalization.
3 Click Open classic appearance properties for more color options.
The Appearance Settings window appears.
4 Select Windows Aero from the Color scheme options on the Appearance tab.
5 Click OK.
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Troubleshooting