Problem (continued)

Problem (continued)

Possible Solution (continued)

Partial, scrolling, or

1 Press the Auto Adjust 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 WXGA

 

(1280 x 800) or XGA (1024 x 768):

 

a Right-click the unused portion of your

 

Windows desktop, click Properties and

 

then select Settings tab.

 

b Verify that the setting is 1280 x 800 or

1024 x 768 pixels for the external monitor

 

port.

 

 

c Press

(Fn+F8).

 

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.

 

If problem persists, upgrade your computer

 

graphic card driver (video driver) to its latest

 

version and test again with projector.

 

 

The screen does not display

If you are using a Dell™ portable computer,

your presentation

press

(Fn+F8).

 

 

Image is unstable or flickering

Adjust the tracking in the OSD Display sub-

 

menu (in PC Mode only).

 

 

Image has vertical flickering

Adjust the frequency in the OSD Display sub-

bar

menu (in PC Mode only).

 

 

Image color is incorrect

• If the display receives the wrong signal

 

output from the graphics card, please set the

 

signal type to RGB in the OSD Display tab.

 

• Use Test Pattern in the Others menu.

 

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 (3.28 ft [1 m] to 39.37 ft [12 m]).

Troubleshooting Your Projector

45

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Image 45
Dell 7609WU manual Problem continued, Possible Solution continued, Use Test Pattern in the Others menu