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

• Ensure that the lens cap is removed and the

screen

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.

Go to Advanced Enable/Disable Sources,

Cannot switch to particular

ensure that particular Input Source is set to

Input Source.

Enable.

 

 

 

 

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Troubleshooting Your Projector

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Dell 4210X manual Troubleshooting Your Projector, Problem Possible Solution