Appendix A

Troubleshooting

Problem

Solution

Image does not appear on the

1.

Make sure the projector is

projection screen

 

powered on.

 

2.

Ensure the lens cap has been

 

 

removed.

 

3.

Press the Standby button again.

 

4.

Ensure that the power cable is

 

 

securely connected.

 

5.

Ensure the pins on the connectors

 

 

are not crooked or broken.

 

6.

Turn off or disable the portable or

 

 

desktop computer screen saver

 

 

function.

 

7.

Ensure the projection lamp has

 

 

been securely installed.

 

8.

Ensure your portable computer’s

 

 

external video port is turned on.

 

 

Toggle the Fn + F4 function keys.

 

 

Activate CRT/LCD “ON’ at the

 

 

same time. To identify any

 

 

alternate function keys to be used,

 

 

refer to your portable computer’s

 

 

user manual.

Scrolling, cut-off, or incorrect

1.

Press the Resync button.

image displayed

2.

Turn everything off; then power on

 

 

the projector first and power on the

 

 

portable or desktop computer

 

 

second.

3. If the above steps do not correct the display image, adjust the resolution of the portable or desktop computer to 1024 × 768.

Continued

Troubleshooting A-1