Operation Manual

16-16 Troubleshooting
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: KMosby Saved by: Jessica Gilbert Saved date: 08/12/98 9:33 AM
Part Number: 316216-002 File name: ch16.doc
Solving Modem Problems
Problem Possible Cause Solution
Garbled or missing
characters, or slow
data transfer speed
Noisy phone line. Contact your local
telephone company for a
phone line filter. Check
your telephone and
modem cable
connections. If they are
slightly loose, this can
cause noise on the line.
Recurring prompt to
confirm country
selection
Current modem
country section does
not match initial
default.
To disable these
reminders, change the
Home Country selection
in the CSA to match the
Current Country
selection. Refer to
“Changing the Country
Selection,” Chapter 7.
Unable to connect
the internal modem
at speeds above
33.6Kbps
The site called does
not support 56K or
supports an
incompatible 56K
implementation.
The internal modem
supports K56flex.
Information about
Internet service providers
(ISPs) that support
K56flex may be found on
the Compaq web site at
www.compaq.com. This
site also contains
information about
updates that may be
available for the 56K
code in your modem.
The phone line used
does not support 56K
implementation.
The 56K protocol
requires that the phone
line used must contain
no more than one
analog-to-digital
conversion. Try
connecting from an
alternate site.
The phone line used
is noisy.
The 56K protocol will fall
back to lower speeds if
the phone line is too
noisy for a high-speed
connection. Try switching
to another phone line.