Technical data

Troubleshooting
4-32
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 the power cord to the
server.
No power at wall outlet. Use another outlet.
Power indicator is
defective.
Replace power indicator
No screen display. Monitor brightness and
contrast controls are
incorrectly set.
Adjust the monitor brightness and
contrast controls.
Monitor has failed. Replace 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.