HP Deskpro 1000 Reference Manual page 46

Solving Display Problems
Problem Cause
Monitor does not Monitor without energy
function properly saver capabilities is being
when used with used with energy saver
energy saver features features enabled.
Garbled characters on The ANSI.SYS driver is not
the screen mixed with in the CONFIG.SYS file.
text
Video colors are This indicates that either the
wrong 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.
Blurry display or If the graphics controller
requested resolution was upgraded, the correct
cannot be set display drivers may not be
loaded.
Continued
Solution
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.
2.
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.
Install the display drivers on the diskette included
in the upgrade kit.
If you are using BNC cables, be sure that the
Red, Green, and Blue BNC cables are
connected to the corresponding monitor
connectors.
Be sure your monitor's RGB inputs are set to
75 ohms.
Continued
Reference Guide 6-7