Sony ICD VGN-UX200 - Manual (Page 167)

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Troubleshooting
Why can't I rotate my screen view with the rotate button on VAIO Touch Launcher?
❑ The color quality of the LCD screen may not be appropriate.
To rotate the screen view, you must select Medium (16 bit) or Highest (32 bit) for Color quality on the Settings tab on
the Display Properties window. To change the color quality, follow these steps:
1 Click Start and then Control Panel.
2 Click the Appearance and Themes icon.
3 Click the Display icon.
4 Click the Settings tab and select appropriate color quality from the Color quality drop-down list.
❑ Some software may not support the rotated screen view. Use your computer in the horizontal orientation to use such
software.
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, 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.