126
Troubleshooting
C
HECK
THE
SPEAKER
CABLE
CONNECTIONS
—
Ensure that the speakers are
connected as shown on the setup diagram supplied with the speakers. If you purchased
a sound card, ensure that the speakers are connected to the card.
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
UN
THE
SPEAKER
DIAGNOSTICS
R
EINSTALL
THE
SOUND
DRIVER
—
See "Drivers" on page 131.
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Hardware Troubleshooter" on
page 107.
No sound from headphones
C
HECK
THE
HEADPHONE
CABLE
CONNECTION
—
Ensure that the headphone cable is
securely inserted into the headphone connector (see "About Your Computer" on
page 21).
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.
Video and Monitor Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
Содержание Precision NT499
Страница 13: ...Contents 13 ...
Страница 14: ...14 Contents ...
Страница 38: ...38 About Your Computer ...
Страница 42: ...42 Advanced Features ...
Страница 70: ...70 Setting Up Your Computer ...
Страница 98: ...98 Clearing Passwords and CMOS Settings ...
Страница 112: ...112 Troubleshooting Tools ...
Страница 130: ...130 Troubleshooting ...
Страница 221: ...Adding and Replacing Parts 221 1 power cable 2 floppy drive cable 3 floppy drive connector FLOPPY 1 2 3 ...
Страница 270: ...270 Getting Help ...
Страница 290: ...290 Glossary ...