78 Solving ProblemsNo sound from headphonesEN S U R E T H A T T H E S U B W O O F E R A N D T H E S P E A K E R S A R E T U R N E D O N — See thesetup diagram supplied with the speakers. If your speakers have volume controls,adjust the volume, bass, or treble to eliminate distortion.AD J U S T T H E WI N D O W S V O L U M E C O N T R O L — Click or double-click the speakericon in the lower-right corner of your screen. Ensure that the volume is turned upand that the sound is not muted.DI S C O N N E C T H E A D P H O N E S F R O M T H E H E A D P H O N E C O N N E C T O R — Sound fromthe speakers is automatically disabled when headphones are connected to thecomputer’s front-panel headphone connector.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 bytesting it with another device, such as a lamp.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,or halogen lamps to check for interference.R E I N S T A L L T H E S O U N D D R I V E R — See "Manually Reinstalling Drivers" onpage 92.R U N T H E HA R D W A R E TR O U B L E S H O O T E R — See "Restoring Your OperatingSystem" on page 93.C H E C K T H E H E A D P H O N E C A B L E C O N N E C T I O N — Ensure that the headphonecable is securely inserted into the headphone connector (see "Front View of theComputer" on page 15).AD J U S T T H E WI N D O W S V O L U M E C O N T R O L — Click or double-click the speakericon in the lower-right corner of your screen. Ensure that the volume is turned upand that the sound is not muted.
