System information

Troubleshooting 17-15
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Karen Williams Saved by: JAbercrombie Saved date: 05/24/99 1:53 PM
Part Number: 103542-001 File name: Ch17.doc
Solving Modem Problems
If you are troubleshooting a modem PC Card problem, refer also
to “Solving PC Card Problems” in this chapter.
Solving Modem Problems
Problem Possible Cause Solution
Modem does not
work.
Modem is
connected through
an optional
docking base.
Connect the modem through
the RJ-11 jack on the
computer.
ERROR message. Typing error. If you are typing from the
command line in terminal
mode, verify, then retype the
command.
EXCESSIVE LINE
CURRENT
SENSED. SEE
OWNER’S
MANUAL FOR
DETAILS message.
Modem is
connected to a
digital line.
Connect the modem to a
standard analog telephone
line, then reestablish the
connection.
No dial tone, with or
without NO DIAL
TONE message.
You are not in your
home country and
the modem does
not recognize the
local dial tone.
Refer to the “Travel
Connection Checklist” in
Chapter 9.
At the command line in
terminal mode, type ATX3DT.
Telephone service
is not connected to
the telephone wall
jack.
Connect a telephone to the
wall jack. If you do not hear a
dial tone, contact your
telephone service provider.
A shared
telephone line is in
use.
Make sure another telephone
or modem is not using the
telephone line.
Modem is
connected to a
digital line, such as
an office PBX line.
Connect the modem to a
standard analog telephone
line, then reestablish the
connection.
Speaker Control
AT Command
(ATM) is set to 0.
1. At the command line in
terminal mode, type
ATM1, then press Enter.
2. Type ATH1 and listen for
the sound of the dial
tone.
Continued