DEC DECstation 5000 Model 100 Series Hardware Operator's Manual page 158

Table 10-2 (Cont.). Solutions to Common Problems
Problem
The screen display is
distorted or unstable.
Color is distorted or
unclear.
Red or blue is missing
from the display on
your color monitor.
Solution
1. Shut down your worksystem software, if necessary, and
turn off the system unit and monitor.
2. Make sure the video cable connectors are correctly
attached to the monitor and system unit.
3. Check Appendix A to be sure that your monitor is the
right one for the graphics module that you are using.
4. Turn on the system unit and monitor.
1. Move such items as magnetic paper clip holders and
electric pencil sharpeners or other electromechanical
devices away from the monitor.
2. If your monitor has a degauss button, press it for 5
seconds. If the monitor has no degauss button, turn the
monitor off and then on again.
3. See the manuals for your monitor for further troubleshoot-
ing instructions.
1. Shut down your worksystem software and turn off the
system unit and monitor.
2.
Make sure the video cable connectors are attached to the
monitor correctly. Chapter 2 explains how to connect the
monitors in ''To Connect the Monitor to the System Unit'',
on page 2-5.
3. Turn on the system unit and monitor.
(continued on next page)
Troubleshooting 10–7