Dell 4210X User Guide - Page 62

Troubleshooting Your Projector - driver

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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 75. Problem No image appears on the screen Missing Input Source. Cannot switch to particular Input Source. Possible Solution • Ensure that the lens cap is removed and the projector is turned on. • Ensure that the INPUT SELECT is set correctly in the OSD menu. • Ensure the external graphics port is enabled. If you are using a Dell™ portable computer, press (Fn+F8). For other computers, see your respective documentation. The output signal from the computer is not according to industry standards. Should this happen, upgrade the video driver of the computer. For Dell computer, see support.dell.com. • Ensure that all the cables are securely connected. See "Connecting Your Projector" on page 9. • 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 68). • Use Test Pattern in the Others menu. Ensure that the colors of the test pattern are correct. Go to Advanced Enable/Disable Sources, ensure that particular Input Source is set to Enable. 62 Troubleshooting Your Projector

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62
Troubleshooting Your Projector
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 75.
Problem
Possible Solution
No image appears on the
screen
•
Ensure that the lens cap is removed and the
projector is turned on.
•
Ensure that the INPUT SELECT is set
correctly in the OSD menu.
•
Ensure the external graphics port is enabled.
If you are using a Dell
™
portable computer,
press
(Fn+F8). For other
computers, see your respective
documentation. The output signal from the
computer is not according to industry
standards. Should this happen, upgrade the
video driver of the computer. For Dell
computer,
see support.dell.com
.
•
Ensure that all the cables are securely
connected. See "Connecting Your Projector"
on page 9.
•
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 68).
• Use
Test Pattern
in the
Others
menu.
Ensure that the colors of the test pattern are
correct.
Missing Input Source.
Cannot switch to particular
Input Source.
Go to Advanced Enable/Disable Sources,
ensure that particular Input Source is set to
Enable.