DELL PP05XB Manual De Usuario
108
Troubleshooting
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
—
.
R
UN
THE
D
ELL
D
IAGNOSTICS
—
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.
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.
3 Turn on the computer.
4 At the Windows
2 Disconnect the mouse.
3 Turn on the computer.
4 At the Windows
desktop, use the touch pad to move the cursor around, select an icon, and open it.
If the touch pad operates correctly, the mouse may be defective.
R
EINSTALL
THE
TOUCH
PAD
DRIVER
—