Troubleshooting 107TE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with anotherdevice, such as a lamp.CH E C K T H E AC A D A P T E R — Check the AC adapter cable connections. If the AC adapter has a light,ensure that the light is on.CO N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I C A L O U T L E T — Bypass power protection devices, powerstrips, and the extension cable to verify that the computer turns on.AD J U S T T H E P O W E R P R O P E R T I E S — Search for the keyword standby in the Windows Help and SupportCenter.SW I T C H T H E V I D E O I M A G E — If your computer is attached to an external monitor, press toswitch the video image to the display.If the Display Is Difficult to ReadAD J U S T T H E B R I G H T N E S S — Press and the up- or down-arrow keyMO 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 speakersystem includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computeror external monitor.EL I M I N A T E P O S S I B L E I N T E R F E R E N C E — Turn off nearby fans, fluorescent lights, halogen lamps, or otherappliances.RO 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 poorpicture quality.AD J U S T T H E WI N D O W S D I S P L A Y S E T T I N G S —1 Click the Start button and then click Control Panel.2 Click Appearance and Themes.3 Click the area you want to change or click the Display icon.4 Try different settings for Color quality and Screen resolution.SE E "ER R O R ME S S A G E S " — If an error message appears, see "Error Messages" on page 94If Only Part of the Display is ReadableCO N N E C T A N E X T E R N A L M O N I T O R —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 155.PD598a01.book Page 107 Monday, February 6, 2006 2:24 PM
