Technical data

Troubleshooting
13-15
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. Contact your authorized service
provider.
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 monitor, or contact your
authorized service provider.
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 your
monitor.