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Basic
Troubleshooting 3-7
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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.
Try a different cable; if you are using a cable that is 10 feet (ft) or more in length,
try a shorter one.
Low connection speeds can be caused by line noise. If you have persistent prob-
lems, contact your telephone company to check for data noise and imbalanced
lines.
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If you have CD-ROM or DVD-ROM drive problems, perform the following checks. You
can also use the E-support tool to check the drive. For more information, see
Chapter 2, “Using Dell E-support.”
NOTE: Inconsistencies in the recording of CD-ROM media may cause some higher-
speed CD-ROM drives to vibrate more than others. Such vibration and associated
noise do not indicate a defect in the drive or the CD. Not all media can be read by all
drives. Because of different conventions currently used in the industry, not all DVD
titles work in all DVD-ROM drives.
Double-click the
My
Computer
icon on your desktop and check to see if the drive
is recognized by the computer. Most of the common boot sector viruses cause
the CD-ROM or DVD-ROM drive to “disappear.” Use virus-scanning software to
check for and remove any viruses.
Clean the disc with a soft, lint-free cloth and isopropyl alcohol.
Try another CD or DVD title.
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