C H A P T E R 5
Troubleshooting your interactive whiteboard system
37
To resolve a partial, scrolling or incorrectly displayed image on your Windows computer
1. Select
Start > Control Panel > Display
.
2. Click
Adjust resolution
.
3. Verify that your display resolution setting is 1280 × 800 (WXGA).
4. Click
Advanced settings
and then click the
Monitor
tab.
5. Verify that the screen refresh rate is 60 Hz.
To resolve a partial, scrolling or incorrectly displayed image on your Mac computer
1. Select
Apple Menu > System Preferences
.
The
System Preferences
dialogue box appears.
2. Click
Displays
.
3. Verify that your display resolution setting is 1280 × 800 (WXGA).
4. Verify that the screen refresh rate is 60 Hz.
Unstable or flickering image
If the projector’s image is unstable or flickering, you could have different frequency or tracking
settings on your input source than on your projector.
I M P O R T A N T
Write down your setting values before adjusting any of the settings in the following procedure.
To resolve your unstable or flickering image
1. Check the display mode of your computer’s graphics card. Make sure that it matches one of
the projector’s compatible signal formats (see
on page 75). Refer
to your computer’s manual for more information.
2. Configure the display mode of your computer’s graphics card to make it compatible with the
projector. Refer to your computer’s manual for more information.
3. Optionally, reset the projector as described in
on page 41 to adjust
the frequency and tracking to their original values.
I M P O R T A N T
This action resets all values to their defaults.