User Manual

User’s Manual 9-15
Troubleshooting
Modem
LAN
Problem Procedure
Communication
software can’t initialize
the modem
Make sure the computer’s internal modem
settings are correct. Refer to Phone and Modem
Options Properties in the Control Panel.
You can hear a dial tone
but can’t make a call
If the call is going through a PBX machine,
make sure the communication application’s tone
dial detection feature is disabled.
You place a call, but a
connection can’t be
made
Make sure the settings are correct in your
communications application.
After making a call you
can’t hear a ring
Make sure the tone or pulse selection in your
communications application is set correctly.
Communication is cut
off unexpectedly
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.
A CONNECT display is
quickly replaced by NO
CARRIER
Check the error control setting in your
communications application.
Character display
becomes garbled
during a communication
In data transmission, make sure the parity bit and
stop bit settings correspond with those of the
remote computer.
Check the flow control and communication
protocol.
You cannot receive an
incoming call
Check the “rings before auto answer” setting in
your communications application.
If problems persist, contact your dealer.
Problem Procedure
Cannot access LAN or
the Wake-up on LAN
function does not work
Check for a firm cable connection between the
LAN hub.
Make sure the AC adapter is connected.
You cannot access a LAN using the computer’s
battery power.
If problems persist, consult your LAN
administrator.