Sony VGN-FJ100 What should I do if the brightness of the screen changes, What should I do if the external display (or TV) does not display anything

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Troubleshooting

What should I do if the brightness of the screen changes?

The brightness of your screen when adjusted with the Fn+F5/F6 keys is temporary and this adjustment is overridden by the setting on the VAIO Power Management tab when another power scheme is selected.

To save this preference for the brightness

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To do the following procedure, you must have administrator rights on the computer.

1Click Start and then Control Panel.

2Click Performance and Maintenance.

3Click Power Options.

4On the Power Schemes tab, select the desired power scheme from the Power schemes list.

5On the VAIO Power Management tab, select No change for LCD Brightness.

6Click OK.

The preference for the brightness adjusted with the Fn+F5/F6 keys is saved and your screen brightness remains unchanged regardless of operating conditions.

What should I do if the external display (or TV) does not display anything?

If you change the log-on user with the Fast User Switching function after the computer started, you will not be able to select a display by pressing the Fn+F7 keys.