Compaq AP200 Reference Guide - Page 112

Be sure the monitor cable is, securely connected to

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6-10 Troubleshooting Solving Display Problems Continued Problem Cause Solution Dim characters (continued) The RGB switch on the back of Set the RGB switch (and sync the monitor is incorrectly set. options, if this option is available) to 75 ohms, with the sync set to "external." Refer to the documentation included with the monitor. Blurry display or requested resolution cannot be set If the graphics controller was upgraded, the correct display drivers may not be loaded. Install the display drivers on the diskette included in the upgrade kit. Screen goes blank You may have a screen blanking utility installed or energy saver features are enabled. Press any key or type password. The picture is broken The monitor connections may 1. Be sure the monitor cable is up, or it rolls, jitters, or be incomplete or the monitor securely connected to the blinks may be incorrectly adjusted. workstation. 2. In a 2-monitor system or if another monitor is in close proximity, be sure the monitors are not interfering with each other's electromagnetic field by moving them apart. Monitor overheats There is not enough ventilation Leave at least 3 inches (7.6 cm) of space for proper airflow. ventilation space. Be sure there is nothing sitting on top of the monitor obstructing the air flow. Continued

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6-10
Troubleshooting
Solving Display Problems
Continued
Problem
Cause
Solution
Dim characters
(
continued
)
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.
Blurry display or
requested resolution
cannot be set
If the graphics controller was
upgraded, the correct display
drivers may not be loaded.
Install the display drivers on the
diskette included in the upgrade kit.
Screen goes blank
You may have a screen
blanking utility installed or
energy saver features are
enabled.
Press any key or type password.
The picture is broken
up, or it rolls, jitters, or
blinks
The monitor connections may
be incomplete or the monitor
may be incorrectly adjusted.
1.
Be sure the monitor cable is
securely connected to the
workstation.
2.
In a 2-monitor system or if
another monitor is in close
proximity, be sure the
monitors are not interfering
with each other’s
electromagnetic field by
moving them apart.
Monitor overheats
There is not enough ventilation
space for proper airflow.
Leave at least 3 inches (7.6 cm) of
ventilation space. Be sure there is
nothing sitting on top of the monitor
obstructing the air flow.
Continued