Dell 3400MP Projector - Manual (Page 23)

Troubleshooting Your Projector 23
4
Troubleshooting Your Projector
If you experience problems with your projector, see the following troubleshooting
tips. If the problem persists, contact Dell.
Problem Possible Solution
No image appears on the
screen
• Ensure that the lens cap is removed and the
projector turned on.
• Ensure the external graphics port is enabled.
If you are using a Dell portable computer,
press . For other computers, see your
documentation.
• Ensure that all the cables are securely
connected. See "Connecting Your Projector"
on page 7."
• Ensure that the pins of the connectors are
not bent or broken.
• Ensure that the lamp is securely installed
(see "Changing the Lamp" on page 26").
• Run Self-diagnostic test. See "Self-diagnostic
for Video" on page 26. Ensure that the colors
of the test pattern are correct.