What Should I Do If The External Display Remains Blank - Sony VAIO VGN-UX400 User Manual

Vgn-ux400 series
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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 Colors on the Monitor tab on the
Display Settings window. To change the color quality, follow these steps:
1
Click Start and Control Panel.
2
Click Adjust screen resolution under Appearance and Personalization.
3
Select appropriate color quality from the Colors 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 remains blank?

If you cannot change the display output with VAIO Touch Launcher, you need to change the settings for the external display
with VAIO Control Center. To change the settings, launch the VAIO Control Center, select the control item for the external
display, and then click to select the check box for changing the options to detect the external display. Then, try VAIO Touch
Launcher to change the display output.
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