Monitor Troubleshooting - Digital Equipment Digital Server 3220 Series System Reference Manual

Monitor Troubleshooting

Problem
Monitor power indicator is not
on.
No screen display.
Distorted, rolling, or flickering
screen display, or
wrong/uneven color.
Color monitor displaying
monochrome.
Monitor fails to switch to
high-resolution mode.
Possible Cause
Monitor is turned off.
Power cord is not connected. Connect power cord to the server.
No power at wall outlet.
Power indicator is defective.
Configuration error.
Monitor brightness and
contrast controls are
incorrectly set.
Monitor has failed.
Monitor incorrectly adjusted.
Monitor signal cable
incorrectly installed.
Server was turned on before
the monitor was turned on.
Appropriate high-resolution
video drivers are not installed
or incorrectly installed.
Troubleshooting
Action
Turn on the monitor.
Use another outlet.
Contact your authorized service
provider.
Run the BIOS Setup utility to
configure the server for video
operation.
Adjust the monitor brightness and
contrast controls.
Replace monitor, or contact your
authorized service provider.
Adjust accordingly.
Straighten any bent connector pins
and then reconnect.
Turn off the server, turn on the
monitor, then turn the server back on.
Correctly install all appropriate high-
resolution video drivers. Refer to the
documentation supplied with your
monitor.
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