102 Troubleshootingw w w . d e l l . c o m | s u p p o r t . d e l l . c o m R E S T A R T T H E C O M P U T E R A N D T R Y T H E S C A N N E R A G A I N .CHECK THE CABLE CONNECTIONS —• See the scanner documentation for cable connection information.• Ensure that the scanner cables are securely connected to the scanner and the computer.VERIFY THAT THE SCANNER IS RECOGNIZED BY M ICROSOFT WINDOWS —1 Click Start→ Control Panel→ Printers and Other Hardware.2 Click Scanners and Cameras.If your scanner is listed, Windows recognizes the scanner.REINSTALL THE SCANNER DRIVER —See the scanner documentation for instructions.Sound and Speaker ProblemsFill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 163) as you complete thesechecks.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.No sound from integrated speakersADJUST THE WINDOWS VOLUME CONTROL—Double-click the speaker icon in the lower-right corner of yourscreen. Ensure that the volume is turned up and that the sound is not muted. Adjust the volume,bass, or treble controls to eliminate distortion.ADJUST THE VOLUME USING KEYBOARD SHORTCUTS —Press to disable (mute) or reenable theintegrated speakers.REINSTALL THE SOUND ( AUDIO) DRIVER —See "Reinstalling Drivers and Utilities" on page 116.No sound from external speakersENSURE THAT THE SUBWOOFER AND THE SPEAKERS ARE TURNED ON—See the setup diagram supplied with thespeakers. If your speakers have volume controls, adjust the volume, bass, or treble to eliminatedistortion.ADJUST THE WINDOWS VOLUME CONTROL—Click or double-click the speaker icon in the lower-right cornerof your screen. Ensure that the volume is turned up and that the sound is not muted.DISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR—Sound from the speakers is automaticallydisabled when headphones are connected to the computer’s front-panel headphone connector.TEST THE ELECTRICAL OUTLET—Ensure that the electrical outlet is working by testing it with anotherdevice, such as a lamp.ELIMINATE POSSIBLE INTERFERENCE—Turn off nearby fans, fluorescent lights, or halogen lamps to checkfor interference.REINSTALL THE AUDIO DRIVER —See "Reinstalling Drivers and Utilities" on page 116.
