Compaq D51s Troubleshooting Guide - Page 31

another monitor is in close, proximity, be sure the monitors - display drivers

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Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Blurry video or requested resolution cannot be set. Screen goes blank. The picture is broken up, or it rolls, jitters, or flashes. Cause If the graphics controller was upgraded, the correct graphics drivers may not be loaded. Monitor is not capable of displaying requested resolution. You may have a screen blanking utility installed or energy saver features are enabled. The monitor connections may be incomplete or the monitor may be incorrectly adjusted. Monitor overheats. There is not enough ventilation space for proper airflow. Solution Install the video drivers on the diskette included in the upgrade kit. Change requested resolution. Press any key or type password. 1. Be sure the monitor cable is securely connected to the computer. 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. 3. Fluorescent lights or fans may be too close to the monitor. 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. Troubleshooting Guide 2-17

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Troubleshooting Guide
2–17
Troubleshooting Without Diagnostics
Blurry video or requested
resolution cannot be set.
If the graphics
controller was
upgraded, the correct
graphics drivers may
not be loaded.
Install the video drivers on the
diskette included in the upgrade kit.
Monitor is not capable
of displaying requested
resolution.
Change requested resolution.
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 flashes.
The monitor
connections may be
incomplete or the
monitor may be
incorrectly adjusted.
1. Be sure the monitor cable is
securely connected to the
computer.
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.
3. Fluorescent lights or fans may
be too close to the monitor.
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.
Solving Display Problems
(Continued)
Problem
Cause
Solution