Dell Dimension L c Series, Reference And Troubleshooting Manual

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4-6 Dell Dimension Lxxxc Systems Reference and Troubleshooting Guide
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Perform the following checks for speaker problems:
‡
Ensure that the speakers are properly connected as shown on the Getting
Started
sheet or as described in the documentation that came with the speakers.
‡
Reseat all speaker connections and make sure they are inserted fully. Verify that
the audio jacks are not bent or broken.
‡
Verify that the speakers and/or subwoofer are turned on and are connected to a
known good power source.
‡
Turn up the volume knob on the speakers. If the audio is distorted, make sure
that the volume is not turned to its maximum setting. Adjust the treble and/or
bass if the sound distorts.
‡
Turn up the volume by clicking the yellow speaker icon in the Windows 98 or
Windows NT taskbar and adjusting the volume setting.
‡
Turn off the monitor and such devices as fans, fluorescent lights, or halogen
lamps to check for interference from those devices.
‡
Plug the speakers into the headphone jack of the CD-ROM or DVD-ROM drive,
make sure the headphone volume control is turned up, and play a music CD.
‡
If your system has integrated audio, check for conflicts as described in “Resolv-
ing Software and Hardware Incompatibilities” in Chapter 5. Then reinstall the
audio drivers (refer to “Audio Drivers” in Chapter 5).
‡
If your system has a sound card, refer to “Sound Cards” in Chapter 6 for further
troubleshooting information.
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NOTE: If your modem can dial and connect to one Internet service provider (ISP) or to
a fax machine, your modem is functioning properly. For assistance, contact the ISP to
which you cannot connect.
If you are experiencing problems with a modem, perform the following checks.
‡
If you have any other telephone devices plugged into this line, such as answering
machines, dedicated fax machines, surge protectors or line splitters, then bypass
them and plug the modem cable directly into the telephone connector on the
wall.
‡
Disconnect the cable from the modem and plug it directly into a telephone.
Listen for a dial tone.
‡
Check that the modem cable is connected to the line jack (the jack with a
connector-shaped icon) on the modem. Reseat the cable connections.
‡
Plug a telephone cable into the telephone jack (the jack with a telephone icon) on
the modem and listen for a dial tone.