Compaq Armada 1500 User Manual page 87

Modem Problems and Solutions
Problem
No dial tone
10-12 Troubleshooting
Continued
Possible Cause
Phone service is not
connected to the
telephone wall jack.
Phone is connected to a
digital PBX jack.
The modem is not
responding to
commands from the
computer keyboard.
Solution
Verify service from the local
phone company by the following
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.
Plugging the modem into a digital
line will result in no dial tone and
may cause permanent damage to
the modem from excessive
current. Reconnect the modem
cable to an analog phone jack,
then reestablish connection
Verify the modem and computer
are connected:
1. Click Start, Programs,
Accessories, HyperTerminal.
2. Go to Terminal Mode, then
type AT and press the Enter
key.
3. 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.
4. Type ATDT and listen for a
dial tone.
5. Type ATHO to hang up.
Continued