EUROCOM D270ES VIPER User Manual page 139

Troubleshooting
Problem
The screen is flickering,
or the images aren't
clear.
7
No image appears on the
external monitor I have
plugged in and powered
on.
7 - 10 Display
The vertical refresh rate is insufficient on your external monitor. Avoid using the
simultaneous display mode. Use LCD only or CRT only. Switch to a lower resolution and/or
fewer colors, and adjust the refresh frequency in the display controls (see
Refresh Rate" on page 3 -
The viewing angle of the LCD is bad. Adjust the position of the LCD. LCD's are designed
to be viewed "straight on". If the angle is wrong, you may see glare from the screen's
backlight.
The screen is dirty. Clean the screen using a soft, clean dry cloth. Many cleaning solutions
can damage the LCD surface so you should follow the precautions outlined in the Preface.
Try to avoid touching the screen itself. Even the cleanest hands can leave oils which
attract contaminants.
You haven't used the key combination to switch the display options. Press the Fn + F6
key combination to toggle through the options.
You haven't installed the video driver and configured it appropriately from the Control
Panel. See "What to Install" on page 4 - 2
see "Making Adjustments for the Display" on page 3 - 3
the video driver.
Possible Cause - Solution
15).
for instructions on installing the driver, and
"Vertical
for instructions on configuring