Technical data

Troubleshooting
4-24
Monitor Troubleshooting
Problem Possible Cause Action
Monitor power indicator
is not on.
Monitor is turned off. Turn on the monitor.
Power cord is not
connected.
Connect power cord to the
server.
No power at wall outlet. Use another outlet.
Power indicator is
defective.
Replace the monitor.
No screen display. Configuration error. Run the BIOS Setup utility to
configure the server for video
operation.
Monitor brightness and
contrast controls are
incorrectly set.
Adjust the monitor brightness
and contrast controls.
Monitor has failed. Replace the monitor.
Distorted, rolling, or
flickering screen display,
or wrong/uneven color.
Monitor incorrectly
adjusted.
Adjust accordingly.
Monitor signal cable
incorrectly installed.
Straighten any bent connector
pins and then reconnect.
Color monitor displaying
monochrome.
Server was turned on
before the monitor was
turned on.
Turn off the server, turn on the
monitor, then turn the server
back on.
Monitor fails to switch to
high-resolution mode.
Appropriate high-
resolution video drivers
are not installed or
incorrectly installed.
Correctly install all appropriate
high-resolution video drivers.
Refer to the documentation
supplied with the monitor.