Toshiba Portege R400 - Manual (Page 151)

User’s Manual 8-15
Troubleshooting
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 .
No display Try adjusting the contrast and brightness controls
on the external monitor.
Press the Fn + F5 hot key in order to change the
display priority and ensure that it is not set for the
internal display only.
Display error occurs Check that the cable connecting the external
monitor to the computer is firmly attached.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.
Problem Procedure
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 switch is set to on.
If problems persist, contact your LAN
administrator.