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Modem, Usb -19 modem – Toshiba Tecra A4 (PTA40) User Manual

Page 169

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User’s Manual

9-19

Troubleshooting

USB

Refer also to your USB device’s documentation.

Modem

Problem

Procedure

USB device does not

work

Check for a firm cable connection between the

USB ports on the computer and the USB device.

Make sure the USB device drivers are properly

installed. Refer to your Windows documentation

for information on checking the drivers.

If you are using an operating system that does

not support USB, you can still use a USB mouse

and/or USB keyboard. If these devices do not

work, make sure the USB KB/Mouse Legacy

Emulation item in HW Setup is set to

Enabled

.

If problems persist, contact your dealer.

Problem

Procedure

Communication
software can

t initialize

modem

Make sure the computer’s internal modem

settings are correct. Refer to Phone and Modem

Options 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 tonedial

detection feature is disabled.
You can also use the ATX command.

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.
You can also use the ATD command.

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.