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.
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.
Warning
Serious shock hazards exist inside this display. There are no
user serviceable parts inside. DO NOT remove covers under
any circumstances or attempt to service the monitor yourself.
Call a qualified service representative.
If you need to dispose of a unit, ask a qualified service
representative for the proper procedure. Improper disposal
could result in personal injury from implosion.
2–2 Servicing
