Sony VAIO VGN-TZ100 Series User Manual page 232

To change the screen resolution, follow these steps:
1 Right-click the desktop and select Personalize from the shortcut menu.
2 Click Display Settings.
The Display Settings window appears.
3 Move the slider under Resolution to the left to reduce or to the right to increase the screen resolution.
!
You can confirm the value of the total available graphics memory and video memory. Right-click on the desktop, select Personalize from the shortcut
menu, and click Display Settings, Advanced Settings, and the Adaptor tab. The value may be displayed differently from the actual memory on your
computer.
What should I do if my screen is dark?
Press the Fn+F6 keys to brighten your computer screen.
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.
The Power Options window appears.
4 Select the Advanced settings tab.
5 Double-click Display.
6 Adjust the LCD brightness setting in the item for brightness adjustment.
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Troubleshooting