Toshiba SATELLITE U400 - Manual (Page 91)

User’s Manual 4-30
Operating Basics
Wireless activity LED
The wireless activity LED indicates the status of the wireless
communication functions.
If you used the Task Bar to disable Wireless LAN, you will need to restart
the computer to re-enable it. Alternatively, you can also follow this
procedure:
1. In the Control Panel, click System and Maintenance.
2. Click the Device Manager. The Device Manager window opens. Click
Network adaptors.
3. Select your preferred Network adaptor, then click the Enable button in
the tool bar.
LAN
The computer has built-in support for Fast Ethernet LAN or Giga bit
Ehternet LAN (depends on the model you purchased). This section
describes how to connect/disconnect to a LAN.
LAN cable types
If you are using Fast Ethernet LAN (100 megabits per second,
100BASE-TX), be sure to connect with a CAT5 cable or higher. You cannot
use a CAT3 cable.
If you are using Giga bit Ethernet LAN, be sure to connect with a CAT5-E
cable or higher. You cannot use a CAT5 or a CAT3 cable.
Connecting LAN cable
To connect the LAN cable, follow the steps below.
1. Turn off the power to the computer and to all external devices
connected to the computer.
2. Plug one end of the cable into the LAN jack. Press gently until you hear
the latch click into place.
Indicator status Indication
LED off Wireless communication switch is set to off.
Automatic power down because of overheating.
Power malfunction
LED glows Wireless communication switch is on. Wireless
LAN is turned on by an application.
The computer must be configured properly before connecting to a LAN.
Logging onto a LAN using the computer's default settings could cause a
malfunction in LAN operation. Check with your LAN administrator
regarding set-up procedures.