w w w . d e l l . c o m s u p p o r t . d e l l . c o m

Problem (continued)

Possible Solution (continued)

Partial, scrolling, or

1

Press the Resync button on the remote

incorrectly displayed image

 

control or the control panel.

 

2

If you are using a Dell portable computer, set

 

 

the resolution of the computer to XGA

 

 

(1024 x 768):

 

 

 

a Right-lick the unused portion of your

 

 

Windows desktop, click Properties and

 

 

then select Settings tab.

 

 

b Verify the setting is 1024 x 768 pixels for

 

 

the external monitor port.

 

 

c Press

.

 

If you experience difficulty in changing

 

resolutions or your monitor freezes, restart all

 

the equipment and the projector.

 

If you are not using a Dell portable computer,

 

see your documentation.

 

 

The screen does not display

If you are using a portable computer, press

your presentation

 

.

 

 

 

Image is unstable or flickering

Adjust the tracking in the OSD Computer

 

Source tab.

 

 

 

Image has vertical flickering

Adjust the frequency in the OSD Computer

bar

Source tab.

 

 

 

Image color is not correct

• If your graphic card output signal is sync on

 

 

Green, and you would like to display VGA at

 

 

60Hz signal, please go into OSD select

 

 

Management, select Signal Type and then

 

 

select RGB.

 

 

• Run the Self-diagnostic test (see " Self-

 

 

diagnostic for video ") for preliminary

 

 

diagnostic on image color problem. Ensure

 

 

that the colors of the test pattern are correct.

 

 

Image is out of focus

1 Adjust the focus ring on the projector lens.

 

2 Ensure that the projection screen is within

 

 

the required distance from the projector

 

 

(4.9 ft [1.5 m] to 39.4 ft [12 m]).

 

 

 

 

24

Troubleshooting Your Projector

Page 24
Image 24
Dell 3400MP owner manual Possible Solution, Source tab