84 Solving Problemsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m If the display is difficult to readIf only part of the display is readableA D J U S T T H E B R I G H T N E S S — See "Using the Display" in the Dell InspironHelp file for instructions on adjusting the brightness. To access help, see "FindingInformation for Your Computer" on page 17.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 82.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 "Contacting Dell" on page 127).
