Dell M2300 User's Guide - Page 94

No sound from external speakers, No sound from headphones, Touch Pad or Mouse Problems

Page 94 highlights

R E I N S T A L L T H E S O U N D ( A U D I O) DRIVER - See "Reinstalling Drivers and Utilities" on page 102. No sound from external speakers E N 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 the setup diagram supplied with the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to eliminate distortion. A D J U S T T H E WI N D O W S VOLUME C O N T R O L - 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. D I 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 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. R EINSTALL T H E AUDIO DRIVER - See "Reinstalling Drivers and Utilities" on page 102. R U N T H E D ELL D IAGNOSTICS - See "Dell Diagnostics" on page 75. 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 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 headphone cable is securely inserted into the headphone connector. A D J U S T T H E WI N D O W S VOLUME C O N T R O L - 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. Touch Pad or Mouse Problems CHECK THE TOUCH PAD SETTINGS - 1 Click the Start button, click Control Panel, and then click Printers and Other Hardware. 2 Click Mouse. 3 Try adjusting the settings. CHECK THE MOUSE CABLE - Shut down the computer. Disconnect the mouse cable, check it for damage, and firmly reconnect the cable. If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer. TO VERIFY THAT THE PROBLEM IS WITH THE MOUSE, CHECK THE TOUCH PAD - 1 Shut down the computer. 2 Disconnect the mouse. 94 Troubleshooting

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94
Troubleshooting
R
EINSTALL
THE
SOUND
(
AUDIO
)
DRIVER
See "Reinstalling Drivers and Utilities" on page 102.
No sound from external speakers
E
NSURE
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.
A
DJUST
THE
W
INDOWS
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.
D
ISCONNECT
HEADPHONES
FROM
THE
HEADPHONE
CONNECTOR
Sound from the speakers is automatically
disabled when headphones are connected to the computer’s front-panel headphone connector.
T
EST
THE
ELECTRICAL
OUTLET
Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.
E
LIMINATE
POSSIBLE
INTERFERENCE
Turn off nearby fans, fluorescent lights, or halogen lamps to check
for interference.
R
EINSTALL
THE
AUDIO
DRIVER
See "Reinstalling Drivers and Utilities" on page 102
.
R
UN
THE
D
ELL
D
IAGNOSTICS
See "Dell Diagnostics" on page 75.
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
C
HECK
THE
HEADPHONE
CABLE
CONNECTION
Ensure that the headphone cable is securely inserted into
the headphone connector.
A
DJUST
THE
W
INDOWS
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.
Touch Pad or Mouse Problems
C
HECK
THE
TOUCH
PAD
SETTINGS
1
Click the
Start
button, click
Control Panel
, and then click
Printers and Other Hardware
.
2
Click
Mouse
.
3
Try adjusting the settings.
C
HECK
THE
MOUSE
CABLE
Shut down the computer. Disconnect the mouse cable, check it for damage,
and firmly reconnect the cable.
If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer.
T
O
VERIFY
THAT
THE
PROBLEM
IS
WITH
THE
MOUSE
,
CHECK
THE
TOUCH
PAD
1
Shut down the computer.
2
Disconnect the mouse.