Selecting the Display Mode
✍You can turn off the computer’s LCD display by removing the checkmark from the LCD option under Internal Display.
If you turn off the LCD when you select a display, the Projector option will no longer be available.
If you select CRT/Projector and turn off the LCD, you can use the Refresh Rate slider to change the display's horizontal frequency. This setting can be made only for CRT display.
If you select Independent Display Timing (see page 12), you can change both the resolution and the refresh rate.
7Click OK. The Display Properties window appears and the display mode you selected is now available.
✍Some displays do not support using both the computer’s LCD and an external display simultaneously.
Using a CRT or Projector
When you select CRT/Projector as the display mode, you can choose additional settings as follows:
1After selecting CRT/Projector as the type of external display (step 6 of Selecting the Display Mode), click Advanced Settings.
(Windows® 98 only)