Dell Precision T5400 Quick Reference Guide - Page 54
D image quality is poor, Only part of the screen is readable, Appearance and Themes
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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 OVE T H E S U B W O O F E R A W A Y F RO 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. ROTATE 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 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 TURN ON THE COMPUTER AND THE MONITOR AND ADJUST THE MONITOR BRIGHTNESS 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). 54 Quick Reference Guide