Toshiba Satellite C640 - Manual (Page 134)

User’s Manual 8-16
Satellite C600/C640/C645/C600D/C640D/C645D, Satellite Pro C600/C640/C600D/C640D
LAN
Wireless LAN
If the following procedures do not restore LAN access, consult your LAN
administrator. For more information on wireless communication, refer to
Chapter 4,
Operating Basics .
Bluetooth
For further information on Bluetooth wireless communication, please refer
to Chapter 4,
Operating Basics .
Problem Procedure
Cannot access LAN Check for a firm cable connection between the
LAN jack and the LAN hub.
Wake-up on LAN does
not work Make sure the AC adaptor is connected. The
Wake-up on LAN function consumes power even
when the system is off.
If problems persist, consult your LAN
administrator.
Problem Procedure
Cannot access
Wireless LAN Make sure the computer’s Wireless
communication function is on.
If problems persist, contact your LAN
administrator.
Problem Procedure
Cannot access
Bluetooth device Check to ensure the computer’s Wireless
Communication function is on.
Check to ensure the Bluetooth Manager
application is running on the computer and that
power to the external Bluetooth device is
turned on.
Check to ensure that no optional Bluetooth
Adaptor is installed in the computer - the built-in
Bluetooth hardware cannot operate
simultaneously with another Bluetooth controller.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.