Troubleshooting Your Projector 454Troubleshooting Your ProjectorIf you experience problems with your projector, see the following troubleshootingtips. If the problem persists, contact Dell.Problem Possible SolutionNo image appears on thescreen• Ensure that the lens cap is removed and theprojector turned on.• Ensure the external graphics port is enabled.If you are using a Dell portable computer,press . For other computers, see yourdocumentation.• Ensure that all the cables are securelyconnected. See "Connecting Your Projector"on page 9."• Ensure that the pins of the connectors arenot bent or broken.• Ensure that the lamp is securely installed(see "Changing the Lamp" on page 48").• Run Self-diagnostic test. See "Self-diagnosticfor Video" on page 48. Ensure that the colorsof the test pattern are correct.
