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Solving Modem Problems
Problem
Possible Cause
No dial tone.
Phone service is not
connected to the
telephone wall jack.
The modem is not
responding to
commands from the
computer keyboard.
5-14 Troubleshooting
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Karen Williams Saved by: Karen Williams Saved date: 05/23/00 11:51 AM
Part Number: 168894-001
Continued
Solution
Verify that service from the
local phone company by
following these steps:
1. Unplug the telephone
cable from the telephone
wall jack.
2. Connect a telephone to
the jack, pick up the
handset, and listen for a
dial tone. If there is a dial
tone, reconnect the
modem to the telephone
wall jack with the
telephone cable and
make sure all
connections are secure.
3. If there is still no dial
tone, contact your local
phone company or
building manager.
Verify that the modem and
computer are connected:
1. Select Start!Programs
!Accessories!
HyperTerminal, then go
to Terminal Mode.
2. Type AT and press the
Enter key. If the modem
displays OK, the modem
and computer are
working together. If the
modem displays ERROR,
or does not respond,
restart the computer and
repeat step 1.
3. Type ATDT and listen for
a dial tone.
4. Type ATH0 to hang up.
File name: cH05.doc
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