BOXLIGHT CD-455m - Manual (Page 46)

38
M a i n t e n a n c e & T r o u b l e s h o o t i n g
• Make sure your computer’s video board is installed and con-
figured correctly.
• Make sure your computer has a compatible video board. The
projector isn’t CGA, EGA or SXGA compatible.
If you’re using Windows 98:
1 Open “My Computer” icon, the Control Panel folder and
then the Display icon.
2 Click the Settings tab.
3 Verify that the Desktop area is set to 1024x768 or less.
Problem: Color or text not being projected
• You might need to adjust the brightness up or down until the
text is visible. Refer to “Brightness” on page 21 for more infor-
mation.
Problem: The screen resolution is not right
• Make sure the computer’s video card is set for a resolution of
no greater than 1024x768.
Problem: Image isn’t centered on the screen
• Move the projector to reposition the image.
• Reposition the image using the menu. Refer to “Horizontal
position” on page 26 and “Vertical position” on page 26.
• Be sure the projector lens is at a 90 degree angle to the screen.
Problem: Image is too wide or narrow for screen
• Adjust the zoom or projector placement.
• Adjust the resolution of your video card if it’s greater than
1024x768.
Problem: Image is out of focus
• Turn the projection lens to focus the image.
• Make sure the projection screen is at least 5 feet (1.5 m) from
the projector.
• Check the projection lens to see if it needs cleaning.