Compaq Armada M700 Series Maintenance And Service Manual page 51

Problem
Modem loses connection.
Modem not responding
Modem does not dial
correctly.
Characters are
garbled/transfer rates
are slow.
2-20 Troubleshooting
Table 2-15
Solving Modem Problems
Possible Cause
The cable connection from
the phone line to the modem
is loose.
Call Waiting has not been
disabled.
There is noise or excessive
traffic on the phone line.
Modem is not set up
correctly in system BIOS.
Telephone number is not
entered correctly in the
modem's dialing software.
There is noise in the
telephone line.
Solution
Check to make sure the telephone
cable is properly connected.
Disable Call Waiting:
1. Select Start ! Setting ! Control
Panel ! select Modems.
2. From the General tab of the
Modems Properties page, select
Dialing Properties.
From the My Locations tab of the
Dialing Properties page, check the
box labeled This location has call
waiting. Select *70, 70#, or 1170
from the drop-down list to disable
call waiting.
Try connecting at a later time.
Check the computer BIOS setup. If it
requires specific settings for
modems, be sure that they have
been enabled.
I Make sure the telephone number
you dialed is correct if you are
using the dialing directory or the
terminal mode.
I
Dial 1 if using dialing long
distance.
I The other line could be busy or
not answering.
I Make sure call waiting is disabled.
I The modem may not recognize an
international dial tone. Try the
ATX3DT command and the
telephone number.
I
Check your telephone and modem
cable connections. If they are a
little loose, they can cause noise
on the line.
I Check with your local telephone
company for a phone line filter.
Continued