Servicing
2.2 Maintenance and Troubleshooting
2.2.2 Troubleshooting Table
Use Table 2–1 to identify and correct any problem areas.
Table 2–1 Identifying and Correcting Problems
Symptom
Possible Cause
Suggested Solution
Display does not
appear.
Brightness or Contrast
control is set too low.
Increase the brightness
and contrast control
setting.
Power Management
feature is active in the
off state.
Press any key and
allow 20 seconds for
the monitor to warm up.
There is no power.
Check the power cord.
Use another ac outlet.
Video display has
moving dots and
distorted lines. The
display rolls or flickers.
There is electromag-
netic interference.
Move any electromechan-
ical device, such as a fan
or a motor, away from
the monitor or move the
monitor.
2–2 Servicing
