Dell Inspiron 710M Owner's Manual

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Contents

Dell Inspiron 710M Owner's Manual Manual pdf 69 page image

Solving Problems 69Video and Display ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.If the display is blankNOTE: If you are using a program that requires a higher resolution than your computer supports, it isrecommended that you attach an external monitor to your computer.If the display is difficult to readCH E C K T H E B A T T E R Y — If you are using a battery to power your computer, the battery charge may bedepleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.TE 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,power strips, 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 andSupport Center.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 to switch the video image to the display.AD J U S T T H E B R I G H T N E S S — Press and the up- or down-arrow key.MO 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 externalspeaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from thecomputer or 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, orother appliances.