Dell 6400 Laptop User Manual


 
Solving Problems 97
Sound and Speaker Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
No sound from integrated speakers
ADJUST THE WINDOWS VOLUME CONTROL
Double-click the speaker icon in the lower-right corner of your
screen. 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 <Fn><End> to disable (mute) or reenable the
integrated speakers.
REINSTALL THE SOUND (AUDIO) DRIVER
See "Reinstalling Drivers and Utilities" on page 100.
No sound from external speakers
ENSURE THAT THE SUBWOOFER AND THE SPEAKERS ARE TURNED ON
See the setup diagram supplied with
the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to eliminate
distortion.
ADJUST THE WINDOWS VOLUME CONTROL
Click or double-click the speaker icon in the lower-right corner
of 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 automatically
disabled 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 another
device, such as a lamp.
ELIMINATE POSSIBLE INTERFERENCE
Turn off nearby fans, fluorescent lights, or halogen lamps to check
for interference.
REINSTALL THE AUDIO DRIVER See "Reinstalling Drivers and Utilities" on page 100.
RUN THE DELL DIAGNOSTICS See "Dell Diagnostics" on page 79.
NOTE: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening
to MP3 songs, ensure that you did not turn the player volume down or off.
No sound from headphones
CHECK THE HEADPHONE CABLE CONNECTION Ensure that the headphone cable is securely inserted into
the headphone connector (see page 22).
ADJUST THE WINDOWS VOLUME CONTROL
Click or double-click the speaker icon in the lower-right corner
of your screen. Ensure that the volume is turned up and that the sound is not muted.