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Compaq Professional Workstation SP700 Reference Guide
Writer: bj pereira Project: Compaq Professional Workstation SP700 Reference Guide Comments: 320280-001
File Name: L-CH11.DOC Last Saved On: 5/28/98 2:31 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Solving Display Problems
Continued
Problem
Possible Cause
Possible Solution
Blank screen
Continued
You are using a fixed-sync
monitor and it won't sync at
the resolution chosen.
Be sure that the monitor
can support the selected
resolution and refresh
rate.
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.
Blurry display or
requested resolution
cannot be set.
If the graphics controller was
upgraded, the correct display
drivers may not be loaded.
Refer to the documentation
in the upgrade kit for more
information on display
drivers.
The picture is broken up;
it rolls, jitters, or blinks.
Monitor cable may be loose.
Be sure the monitor
cable is securely
connected to the
workstation.
In a 2-monitor system or if
another monitor is in close
proximity, the monitors may
interfere with each other’s
magnetic field.
Move the monitors
farther apart.
Monitor overheats
There is not enough ventilation
space for proper airflow.
Leave at least 3 inches
(7.6 cm) of ventilation
space. Also, be sure
there is nothing on top of
the monitor to obstruct
airflow.
Video colors are wrong
This indicates that either the
cabling or monitor
impedance is* incorrect.
1. Ensure 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.
