Dell XPS M2010 Owner's Manual - Page 107
If the display is difficult to read, If only part of the display is readable
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If the display is difficult to read A DJUST T H E BRIGHTNESS - Press and the up- or down-arrow key. M O V E T H E E X T E R N A L S U B W O O F E R A W A Y F R O M T H E C O M P U T E R O R M O N I T O R - If your external speaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computer or external monitor. ELIMINATE POSSIBLE INTERFERENCE - Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances. R O T A T E T H E C O M P U T E R T O F A C E A D I F F E R E N T D I R E C T I O N - Eliminate sunlight glare, which can cause poor picture quality. ADJUST THE WINDOWS DISPLAY SETTINGS - 1 Click the Start button and then click Control Panel. 2 Double-click Display, then click the Settings tab. 3 Try different settings for Color quality and Screen resolution. RUN THE VIDEO DIAGNOSTICS TESTS - If no error message appears and you still have a display problem, but the display is not completely blank, run the Video device group in the Dell Diagnostics. Then contact Dell. See "Contacting Dell" on page 150. SEE "ERROR MESSAGES" - If an error message appears, see "Error Messages" on page 94. If only part of the display is readable CONNECT AN EXTERNAL MONITOR - 1 Shut down your computer and connect an external monitor to the computer. 2 Turn on the computer and the monitor and adjust the monitor brightness and contrast controls. If the external monitor works, the computer display or video controller may be defective. Contact Dell. See "Contacting Dell" on page 150. Troubleshooting 107