DTU193_Manual.fm Page 31 Monday, September 15, 2008 2:42 PM

DISPLAY TROUBLESHOOTING

If you encounter problems with the DTU-1931 display, refer to the following tables; your problem may be described here and you can try the solution offered. For additional information about color issues, see the documentation that came with your operating system or applications.

GENERAL DISPLAY PROBLEMS

No display. The power

Verify that the AC power cable is connected, and that the

LED is off.

 

DTU-1931 power switch is turned on.

 

 

 

No display. The power

Check the contrast, brightness, and backlight controls.

LED is lit blue.

 

Adjust as necessary. Or, open the OSD menu and select the

 

 

RESET option.

The power LED is lit orange.

A ‘no signal go to power save’ message appears briefly on your display screen.

Your computer may be in a power management mode. Touch the pen tip to the display screen, move the mouse, or depress any key on your keyboard.

Turn off both your computer and the DTU-1931 pen display tablet. Check the video cable for bent or broken connector pins. Then properly connect the video cable and turn on the DTU-1931 and your computer.

 

Verify that the DVI/VGA switch is properly set. Restart your

 

 

computer after changing the position of the switch.

 

Verify that the video card is properly installed.

 

 

A ‘cable disconnect go to

Check that your computer is turned on.

power save’ message

Verify that you are using the video cable that came with the

appears briefly on your

display screen.

 

DTU-1931.

 

Check that the DTU-1931 video cable is fully connected.

 

Turn off both your computer and the DTU-1931 pen display.

 

 

Check the video cable and any video adapters for bent or broken

 

 

connector pins. Then properly connect the video cable and any

 

 

necessary adapters.

 

 

An ‘out of range’

The input signal frequency is incorrectly set or not compatible

message appears briefly

 

with the DTU-1931. Set the refresh rate (vertical frequency)

on your display screen.

 

between 50 and 75 Hz. If your video card driver supports

 

 

adjustment of the horizontal frequency, make sure it is set to

 

 

some value between 30 and 80 kHz. On a single monitor system

 

 

you will need to connect a different display to change the refresh

 

 

rate.

 

The resolution is set too high (1280 x 1024, maximum).

 

The refresh rate is set too high (75 Hz maximum).

 

Set the display properties to detect plug and play monitors.

 

 

 

A ‘set refresh range’

The maximum refresh rate is 75 Hz. Set the refresh rate (vertical

message appears briefly

 

frequency) to some value between 50 and 75 Hz.

on your display screen.

 

 

The image appears

Do not extend the video cable. Do not use an input selector

multiple times on the

 

switch box.

display.

 

 

Troubleshooting

Page 31

Page 35
Image 35
Wacom DTU-1931 user manual Display Troubleshooting, General Display Problems