IBM 68666AU User Guide - Page 116

Monitor problems, Action, Non-IBM monitor

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Monitor problems Wavy, unreadable, rolling, distorted, or jittery screen images Action If the monitor self-tests show that the monitor is working properly, verify that: 1. The location of the monitor is appropriate. Magnetic fields around other devices, such as transformers, appliances, fluorescent lights, and other monitors might be causing the problem. To determine if the location is causing the problem: a. Turn off the monitor. (Moving a color monitor while it is turned on might cause screen discoloration.) b. Adjust the placement of the monitor and other devices so that they are at least 300 mm (12 in.) apart. Also, when relocating the monitor, be sure it is at least 75 mm (3 in.) from the diskette drives to prevent diskette drive read/write errors. c. Turn on the monitor. 2. An IBM monitor signal cable is properly connected to the monitor and computer, and that the cable is installed securely. Non-IBM monitor signal cables might cause unpredictable problems. 3. You are not trying to run your monitor at a higher refresh rate than the monitor supports. See the documentation supplied with your monitor for supported refresh rates. Note: An enhanced monitor signal cable with additional shielding might be available for your monitor. See your IBM reseller or marketing representative for information. If you cannot correct the problem, have the monitor and computer serviced. 100 IntelliStation Z Pro User Guide

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Monitor problems
Action
Wavy, unreadable,
rolling, distorted, or
jittery screen images
If the monitor self-tests show that the monitor is
working properly, verify that:
1.
The location of the monitor is appropriate.
Magnetic fields around other devices, such as
transformers, appliances, fluorescent lights, and
other monitors might be causing the problem.
To determine if the location is causing the
problem:
a.
Turn off the monitor.
(Moving a color
monitor while it is turned on might cause
screen discoloration.)
b.
Adjust the placement of the monitor and
other devices so that they are at least
300
mm (12 in.) apart.
Also, when
relocating the monitor, be sure it is at least
75 mm (3 in.) from the diskette drives to
prevent diskette drive read/write errors.
c.
Turn on the monitor.
2.
An IBM monitor signal cable is properly
connected to the monitor and computer, and that
the cable is installed securely.
Non-IBM monitor
signal cables might cause unpredictable
problems.
3.
You are not trying to run your monitor at a
higher refresh rate than the monitor supports.
See the documentation supplied with your
monitor for supported refresh rates.
Note:
An enhanced monitor signal cable with
additional shielding might be available for
your monitor.
See your IBM reseller or
marketing representative for information.
If you cannot correct the problem, have the monitor
and computer serviced.
100
IntelliStation Z Pro User Guide