Display Problems
No Display on
Monitor
If your monitor does not display information after system
startup, see Table 13–15.
Table 13–15 Monitor Display Problems
Possible Cause Corrective Action
Monitor is not plugged in. Plug the monitor power cord into the
auxiliary power socket on the rear of
the system unit. See Figure 3–3.
Monitor is not turned on. Check the monitor on/off switch.
Check that the monitor power cord
is connected at both ends. Verify that
monitor power LED is on.
Contrast and brightness
controls are too dark to see
the screen display.
Adjust the contrast and brightness
controls. Refer to the monitor guide for
more information.
System board or graphics
board failure.
Refer to Chapter 14 for information on
running diagnostic tests.
Monitor cable or video cable
is not connected.
Check that the monitor cable and video
cable are connected at both ends.
Monitor fuse is blown. See your monitor guide for fuse
replacement instructions.
Defective monitor. Contact your Digital service
representative.
Alternate console switch is in
the wrong position.
Move the switch up (monitor position).
13–22 Identifying a Problem
