C H E C K T H E M O N I T O R S E T T I N G S See the monitor documentation for instructions 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 If your speaker system 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 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 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 D J U S T T H E W I N D O W S D I S P L A Y S E T T I N G S

Windows XP:

1Click StartControl PanelAppearance and Themes.

2Click the area you want to change or click the Display icon.

3Try different settings for Color quality and Screen resolution.

Windows Vista:

1Click Start Control PanelHardware and SoundPersonalizationDisplay Settings.

2Adjust Resolution and Colors settings, as needed.

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 Ensure that the power

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 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

TU 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 If the monitor works, the graphics card(s) may be defective. Contact Dell (see "Contacting Dell" in your User’s Guide).

Quick Reference Guide

51

Page 51
Image 51
Dell T7400 manual Click Start→ Control Panel→ Appearance and Themes, 3D image quality is poor