Dell 4220 User Guide - Page 101

Troubleshooting Your Projector - projector drivers

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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™ (see Contacting Dell™ on page 115). Problem No image appears on the screen Possible Solution • Ensure that the lens cap is removed and the projector is turned on. • Ensure that you have chosen the correct input source on the INPUT SOURCE menu. • Ensure the external graphics port is enabled. If you are using a Dell™ laptop computer, press (Fn+F8). For other computers, see your respective documentation. If images are not displayed properly, please upgrade the video driver of your computer. For Dell computers, see support.dell.com. • Ensure that all the cables are securely connected. See "Connecting Your Projector" on page 10. • 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 106). • Use Test Pattern in the Projector Settings of the Advanced Settings menu. Ensure that the colors of the test pattern are correct. Troubleshooting Your Projector 101

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Troubleshooting Your Projector
101
4
Troubleshooting Your Projector
If you experience problems with your projector, see the following troubleshooting
tips. If the problem persists, contact Dell™ (see Contacting Dell™ on page 115).
Problem
Possible Solution
No image appears on the
screen
•
Ensure that the lens cap is removed and the
projector is turned on.
•
Ensure that you have chosen the correct
input source on the INPUT SOURCE menu.
•
Ensure the external graphics port is enabled.
If you are using a Dell™ laptop computer,
press
(Fn+F8). For other
computers, see your respective
documentation. If images are not displayed
properly, please upgrade the video driver of
your computer. For Dell computers, see
support.dell.com.
•
Ensure that all the cables are securely
connected. See "Connecting Your Projector"
on page 10.
•
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 106).
• Use
Test Pattern
in the
Projector Settings of
the Advanced Settings
menu. Ensure that
the colors of the test pattern are correct.