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Compaq Professional Workstation AP200 Reference Guide
Writer: IM Project: Compaq Professional Workstation AP200 Reference Guide Comments: 352620-003
File Name: G-CH06.DOC Last Saved On: 12/15/98 4:26 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Solving Display Problems
Continued
Problem Cause Solution
Screen is blank.
(
Continued
)
You are using a fixed-sync
monitor and it won't sync at
the resolution chosen.
Be sure that the monitor can
accept the same sweep rate
as the resolution chosen.
Monitor does not
function properly
when used with
energy-saver
features.
Monitor without energy-saver
capabilities is being used with
energy-saver features enabled.
Disable monitor energy-saver
feature.
Video colors are
wrong.
This indicates that either the
cabling or monitor impedance
is incorrect.
1. If you are using BNC
cables, be sure that the
Red, Green, and Blue
BNC cables are
connected to the
corresponding monitor
connectors.
2. Be sure your monitor’s
RGB inputs are set to 75
ohms.
Characters are dim. The brightness and contrast
controls are not set properly.
Adjust the monitor brightness
and contrast controls.
Cables are not properly
connected.
Verify that the video cable is
securely connected to the
video card and the monitor.
The RGB switch on the back of
the monitor is incorrectly set.
Set the RGB switch (and sync
options, if this option is
available) to 75 ohms, with
the sync set to “External.”
Refer to the documentation
included with the monitor.
Continued