Dell T5400 Personal Computer User Manual


 
54 Quick Reference Guide
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.
M
OVE THE SUBWOOFER AWAY FROM THE MONITOR If your speaker system includes
a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters (2 feet)
away from the monitor.
M
OVE 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.
R
OTATE THE MONITOR TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE INTERFERENCE
ADJUST THE WINDOWS DISPLAY SETTINGS
Windows XP:
1
Click
Start
Control Panel
Appearance and Themes
.
2
Click the area you want to change or click the
Display
icon.
3
Try different settings for
Color quality
and
Screen resolution
.
Windows Vista:
1
Click
Start
Control Panel
Hardware and Sound
Personalization
Display Settings
.
2
Adjust
Resolution
and
Colors settings
, as needed.
3D image quality is poor
CHECK THE GRAPHICS CARD POWER CABLE CONNECTION Ensure that the power
cable for the graphics card(s) is correctly attached to the card.
C
HECK 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.
Only part of the screen is readable
TURN ON THE COMPUTER AND THE MONITOR AND ADJUST THE MONITOR BRIGHTNESS
AND CONTRAST CONTROLS If the monitor works, the graphics card(s) may be
defective.
Contact Dell (see "Contacting Dell"
in your User’s Guide
).