CHAPTER 5
TROUBLESHOOTING THE INTERACTIVE WHITEBOARD SYSTEM
45
smarttech.com/kb/170910
To resolve a partial, scrolling or incorrectly displayed image on a Windows computer
1. Select Start > Control Panel.
2. Click Display, and then select Adjust resolution.
3. Verify that the display resolution is set to 1024 × 768 (SMART U100 projector) or 1280 × 800
(SMART U100w projector in 16:10 aspect ratio mode).
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 a Mac computer
1. Select Apple Menu > System Preferences.
The
System Preferences
dialog box appears.
2. Click Displays.
3. Verify that the display resolution is set to 1024 × 768 (SMART U100 ) or 1280 × 800
(SMART U100w in 16:10 aspect ratio mode).
4. Verify that the screen refresh rate is 60 Hz.
Unstable or flickering image
If the projector’s image is unstable or flickering, the frequency or tracking settings on the input
source could be different from the settings on the projector.
IMPORTANT
Write down the current settings before adjusting any of them in the following procedure.
To resolve an unstable or flickering image
1. Check the display mode of your computer’s graphics card. Make sure it matches one of the
projector’s compatible signal formats (see
on page 89). 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. Adjust the frequency, tracking, H-position and V-position settings in the on-screen menu. See
