Sony Ericsson VGN-SZ700 What should I do if the external display remains blank, What should I do if the LCD brightness of my screen changes

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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:

1Right-click the power status icon on the taskbar and select Power Options.

2Click Change plan settings under the current power plan.

3Click Change advanced power settings. The Power Options window appears.

4Select the Advanced settings tab.

5Double-click Display.

6Adjust the LCD brightness setting in the item for brightness adjustment.

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, try the Fn+F7 keys to change the display output.