
16-14 Troubleshooting
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: Karen Williams Saved by: Karen Williams Saved date: 05/29/00 6:03 PM
Part Number: 168893-001 File name: CH16.doc
Solving Modem Problems
Continued
Problem Possible Cause Solution
No dial tone. Phone service is not
connected to the
telephone wall jack.
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.
The modem is not
responding to
commands from the
computer keyboard.
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.
Continued
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