Toshiba A200 series User Manual page 161

Memory expansion
Refer also to Chapter 9,
memory modules.
Problem
The computer hangs up
and issues beep
sounds. (A long beep,
three short beeps, three
short beeps, and then a
long beep.)
Modem
Problem
Communication
software can't initialize
the modem
You can hear a dial tone
but can't make a call
You place a call, but a
connection can't be
made
After making a call you
can't hear a ring
Communication is cut
off unexpectedly
A CONNECT display is
quickly replaced by NO
CARRIER
User's Manual
Optional Devices, for information on installing
Procedure
Make sure the memory module installed in the
expansion slot is compatible with the computer.
If an incompatible module has been installed,
follow the steps below.
1. Turn off the power.
2. Disconnect the AC adapter and all peripheral
devices.
3. Remove the battery pack.
4. Remove the memory module.
5. Replace the battery pack and/or connect the
AC adapter.
6. Turn on the power.
If problems persist, contact your dealer.
Procedure
Make sure the computer's internal modem
settings are correct. Refer to Phone and Modem
Options Properties in the Control Panel.
If the call is going through a PBX machine, make
sure the communication application's tone dial
detection feature is disabled.
Make sure the settings are correct in your
communications application.
Make sure the tone or pulse selection in your
communications application is set correctly.
The computer will automatically cut off
communication when connection with the carrier
is not successful for a set time interval. Try
lengthening this time interval.
Check the error control setting in your
communications application.
A200
10-13