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207
nN
Troubleshooting
What should I do if the LCD brightness of my screen changes?
❑ The LCD brightness setting, adjusted with the Fn+F5/F6 keys, is temporary and may be restored to the original setting
when your computer returns to Normal mode from Sleep or Hibernate mode. To save your preference for the brightness,
follow these steps:
1 Right-click the power status icon on the taskbar and select Power Options.
2 Click Change plan settings under the current power plan.
3 Click Change advanced power settings.
4 Select the Advanced settings tab.
5 Double-click Display.
6 Adjust the LCD brightness setting in the item for brightness adjustment.
❑ The Automatic Brightness Settings function does not work during the setup or recovery process. The LCD brightness
of your screen may fluctuate regardless of ambient light intensity.
What should I do if the external display remains 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 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, use the Fn+F7
keys to change the display output.
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