Troubleshooting Your Projector 314Troubleshooting 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 is turned on.• Ensure the external graphics port is enabled.If you are using a Dell portable computer,press (Fn+F8). For othercomputers, see your respectivedocumentation.• Ensure that all the cables are securelyconnected. See Connecting Your Projectoron page 7.• Ensure that the pins of the connectors arenot bent or broken.• Ensure that the lamp is securely installed(see Changing the Lamp on page 35).• Use Test Pattern in the Preferences menu.Ensure that the colors of the test pattern arecorrect.