Dell 3400MP Owner's Manual - Page 23
Troubleshooting Your Projector - video cable
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4 Troubleshooting Your Projector If you experience problems with your projector, see the following troubleshooting tips. If the problem persists, contact Dell. Problem No image appears on the screen Possible Solution • 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. Troubleshooting Your Projector 23