Solving Problems 33
If the screen is difficult to read
CHECK THE DIAGNOSTIC LIGHTS See page35.
RUN THE DELL DIAGNOSTICS See page38.
CHECK THE MONITOR SETTINGS See the monitor documentation for instructions on adjusting the
contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.
MOVE THE SUBWOOFER AWAY FROM THE MONITOR If your speaker system includes a subwoofer,
ensure that the subwoofer is at least 60cm (2 ft) away from the monitor.
MOVE THE MONITOR AWAY FROM EXTERNAL POWER SOURCES Fans, fluorescent lights, halogen
lamps, and other electrical devices can cause the screen image to appear "shaky." Turn off nearby devices
to check for interference.
ROTATE THE MONITOR TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE INTERFERENCE
ADJUST THE WINDOWS DISPLAY SETTINGS
1
Click the
Start
button, click
Control Panel
, and then click
Appearance and Themes
.
2
Click
Display
and click the
Settings
tab.
3
Try different settings for
Screen resolution
and
Color quality.