Sony PCG-GR300K - Manual (Page 105)

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.
4. Click the Displays tab and select the display settings by clicking the icon on the panel of your display choice.
For more information, click the Help button.
Note:
If you cannot see your movie or DVD on the external display, change the monitor or TV setting by clicking on the Secondary
icon and changing it to Primary .
Note:
You may not be able to display the notebook LCD screen and an external display or projector at the same time, depending
on the types of computer displays and projectors you are using.
Turn on the notebook after you connect the external display.
(Multiple Monitors) and Mobility Radeon Properties screen
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