Compaq Deskpro 2000 Series Reference Manual page 137

Problem Cause
Blank screen Monitor is not turned on and
the monitor light is not on.
The cable connections are
not correct.
The energy saver feature
has been enabled.
The RGB (Red, Green,
Blue) input switch on the
back of the monitor is
incorrectly set.
You are using a fixed-sync
monitor and it won't sync at
the resolution chosen.
Monitor does not Monitor without energy
function properly saver capabilities is being
when used with used with energy saver
energy saver features features enabled.
The ANSI.SYS driver is not
Garbled characters on
the screen mixed with in the CONFIG.SYS file.
text
Video colors are This indicates that either
wrong the cabling or monitor
impedance is incorrect.
Dim characters The brightness and contrast
controls are not set
properly.
Cables are not properly
connected.
The RGB switch on the back
of the monitor is incorrectly
set.
Solving Display Problems
Solution
Turn on the monitor and check that the monitor
light is on.
Check the cable connection from the monitor to
the computer and to the electrical outlet.
Press any key or click the mouse button and, if it
is set, type your password.
Set the monitor's RGB input switch to 75 ohms
and, if there is a sync switch, set it to External.
Be sure that the monitor can accept the same
sweep rate as the resolution chosen.
Disable monitor energy saver feature.
You may need to add the ANSI.SYS driver to the
CONFIG.SYS file. Add the following line to the file:
DEVICE=C:\ANSI.SYS
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.
Adjust the monitor brightness and contrast
controls.
Check that the video cable is securely connected
to the video card and the monitor.
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
Reference Guide 7 -5