Dell Precision T3400 Guide De Référence Rapide page 60

The screen is difficult to read
C
H E C K T H E M O N I T O R S E T T I N G S
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
M
O V E T H E S U B W O O F E R A W A Y F R O M T H E M O N I T O R
includes a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters
(2 feet) away from the monitor.
M
O V E T H E M O N I T O R A W A Y F R O M E X T E R N A L P O W E R S O U R C E S
lights, halogen lamps, and other electrical devices can cause the screen image to
appear shaky. Turn off nearby devices to check for interference.
R
O T A T E T H E M O N I T O R T O E L I M I N A T E S U N L I G H T G L A R E A N D P O S S I B L E
I N T E R F E R E N C E
A W
D J U S T T H E I N D O W S D I S P L A Y S E T T I N G S
Windows XP:
Click Start→ Control Panel→ Appearance and Themes.
1
Click the area you want to change or click the Display icon.
2
Try different settings for Color quality and Screen resolution.
3
Windows Vista:
Start
Click
1
Display Settings.
Adjust Resolution and Colors settings, as needed.
2
3D image quality is poor
C
H E C K T H E G R A P H I C S C A R D P O W E R C A B L E C O N N E C T I O N
cable for the graphics card(s) is correctly attached to the card.
C
H E C K T H E M O N I T O R S E T T I N G S
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
Only part of the screen is readable
T
U R N O N T H E C O M P U T E R A N D T H E M O N I T O R A N D A D J U S T T H E M O N I T O R
B R I G H T N E S S A N D C O N T R A S T C O N T R O L S
card(s) may be defective. Contact Dell (see "Contacting Dell" in your User's Guide).
60
Quick Reference Guide
— See the monitor documentation for instructions
→ Control Panel→ Hardware and Sound→ Personalization→
— See the monitor documentation for instructions
— If your speaker system
—
— Ensure that the power
— If the monitor works, the graphics
— Fans, fluorescent