76 Solv ing Pr oble m sw w w . d e l l . c o m | s u p p o r t . d e l l . c o mIf the display is difficult to readIf only part of the display is readableS W I T C H T H E V I D E O I M A G E — If your computer is attached to an externalmonitor, press to switch the video image to the display.A D J U S T T H E B R I G H T N E S S — See the Tell Me How help file for instructionson adjusting the brightness. To access the help file, see page 72.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 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 isat least 60 cm (2 ft) away from the computer or external monitor.E L 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, fluorescentlights, 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.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 S1 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.S E E "E R R O R M E S S A G E S " — If an error message appears, see "ErrorMessages" on page 87.C O N N E C T A N EX T E R N A L M O N I T O R1 Turn off your computer and connect an external monitor to the computer.2 Turn on the computer and the monitor and adjust the monitor brightness andcontrast controls.If the external monitor works, the computer display or video controller may bedefective. Contact Dell (see page 124).1H018bk3.book Page 76 Monday, October 14, 2002 2:26 PM
