User Guide

2-22 Troubleshooting
Table 2-15 Continued
Problem Possible Cause Solution
Modem does not connect at
highest speed.
Line conditions in your area
or in the area you are calling
may not support the highest
connect speeds.
Have your telephone line
checked by your local telephone
service provider.
Tr
y
dialin
g
an alternate tele
p
hone
number for the service you are
using.
Another device on your
telephone line may be
causing interference.
Hang up an extension telephone
and disconnect any other devices
that may be using the same
telephone line, then redial.
The service or site called
does not support 56K or
supports an incompatible 56K
implementation.
An internal modem supports
K56flex.
To find an Internet service
provider (ISP) that supports
K56flex, go the Compaq Web
site at www.compaq.com.
There is noise on the
telephone line.
The 56K protocol of an internal
modem will fall back to lower
speeds if the telephone line is
too noisy for a high-speed
connection.
Try using another telephone line.
Change the Hang-up Delay S
Register:
1. Select Start Programs
Accessories
HyperTerminal.
2. Go to Command Mode, type
ATS10=150, then press Enter.
NOTE: This command causes the
modem to take longer to
disconnect even if there is no
noise on the line.
The telephone line does not
support 56K implementation.
The 56K protocol requires that
the telephone line contain no
more than one analog-to-digital
conversion.
Try connecting from an alternate
site.
Table 2-16
Solving PC Card Problems
Problem Possible Cause Solution
Computer does not beep
when a PC Card is inserted.
PC Card is not inserted
properly.
Try reinserting the card. Ensure
that the PC Card is inserted in
the correct orientation. Insert the
card gently to prevent damage
to the pins.
Speakers are turned off or
volume is turned down.
Adjust the volume control on the
computer.
PC Card or card driver is not
PCMCIA compliant.
Contact your Compaq authorized
dealer, reseller, or service
provider for a list of PC Cards
tested successfully in Compaq PC
Card platforms.