Dell Latitude D631, Руководство пользователя, Страница: 95 / 184

Troubleshooting
95
C
H E C K T H E S CA NN E R D O C U ME N T A T I O N
—
See the scanner documentation for setup and troubleshooting
information.
U
N L O CK T H E SC A N N E R
—
Ensure that your scanner is unlocked if it has a locking tab or button.
R
E S T A RT T H E C O M PU T E R A N D T RY T H E SC A N N E R A G A I N
.
C
H E C K T H E C A B L E CO N N E C T I O N S
—
• See the scanner documentation for cable connection information.
• Ensure that the scanner cables are securely connected to the scanner and the computer.
V
E RI F Y TH A T T H E S C A N N E R I S R E C O G N I ZE D B Y
M
IC RO SOF T
W
INDO WS
—
1 Click Start
→
Control Panel
→
Printers and Other Hardware .
2 Click Scanners and Cameras .
If your scanner is listed, Windows recognizes the scanner.
R
E I N S T A L L T H E S CA NN E R D R I V E R
—
See the scanner documentation for instructions.
Sound and Speaker Problems
Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 141) as you complete these
checks.
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
A
D J U ST TH E
W
INDO WS V O L U M E C O N T R O L
—
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.
A
D J U ST TH E VO LUM E U S I N G K E Y B O A R D SHO RT C UT S
—
Press <Fn><End> to disable (mute) or reenable
the integrated speakers.
R
E I N S T A L L T H E S O U N D
(
A U D I O
)
D R I V E R
—
See "Reinstalling Drivers and Utilities" on page 100.
No sound from external speakers
E
N SU RE T H A T T H E S U B W O O F E R A N D T H E S PE A KE R S ARE TU RN 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 ST TH E
W
INDO WS V O L U M E 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 SC 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 TO R
—
Sound from the speakers is automatically
disabled when headphones are connected to the computer’s front-panel headphone connector.
T
E ST T H E E L E CT R I C A L O U T L E T
—
Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.