Troubleshooting 99
RESTART THE COMPUTER AND TRY THE SCANNER AGAIN.
CHECK THE CABLE CONNECTIONS
See the scanner documentation for cable connection information.
Ensure that the scanner cables are securely connected to the scanner and the computer.
VERIFY THAT THE SCANNER IS RECOGNIZED BY MICROSOFT WINDOWS
1
Click
Start
Control Panel
Printers and Other Hardware
.
2
Click
Scanners and Cameras
.
If your scanner is listed, Windows recognizes the scanner.
REINSTALL THE SCANNER DRIVER See the scanner documentation for instructions.
Sound and Speaker Problems
Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page153) 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

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 108.

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 108
.