12
Troubleshooting Table
Use Table 3 to identify and correct any problem area.
Table 3. Identifying and Correcting Problems
Symptom
Possible Cause
Suggested Solution
Display does not
appear.
Brightness or
contrast control is
set too low.
Power Management
feature is active in
the off state.
There is no power.
Increase the brightness and
contrast control setting to suit
you.
Press any key and allow 20
seconds for monitor to warm up.
Check the power cord. Use
another ac outlet.
Color impurity
Magnetic fields can
build up on the CRT.
Press the degauss switch to
demagnetize the CRT.
Video display has
moving dots or
distorted lines.
The display rolls or
flickers.
There is
electromagnetic
interference.
Adjustments may be
out of alignment.
Move any electromagnetic
device, such as a fan or motor,
away from the monitor or move
the monitor.
Use the Recall function from
Menu 1.
____________________ WARNING __________________________
Serious shock hazards exist inside this display. There are no
user serviceable parts inside. DO NOT remove the covers
under any circumstances or attempt to service the monitor
yourself. Call a qualified service representative.
