Sony PCG-GR390K - Manual (Page 91)

Selecting the Display Mode
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Selecting the Display Mode
This notebook uses the ATI video controller. You can select which display is used
when the notebook is connected to an external monitor. When you connect an
external display, you can switch the display mode between your notebook’s LCD
display and the external monitor.
1 Click the Start button, point to Settings, and then point to Control Panel.
2 Click the Display icon. The Display Properties window appears.
3 Click the Settings tab, and then click the Advanced button. The ATI Mobility
RADEON™-M dialog box appears.