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A3 Check that the device driver is installed properly.
If the driver is not properly installed, you will find
a yellow exclamation mark on the network icon
by clicking Start > Control Panel > System and
Maintenance > Device Manager > Network
Adapter.
Q
The signal strength is excellent, but I cannot
connect to the network.
► Even if the signal strength is excellent, the
network connection may not operate properly
if the TCP/IP properties are not properly
configured, or the network key (encryption key)
is incorrect.
A Check that the TCP/IP properties are configured
properly. When connecting to an AP, right-click the
Network Connections (
select Network and Sharing Center. If you click the
View Status next to a connected wireless network
device and then click the Detail button, you can view
the IP information. If the IP is not allocated properly,
the IP address will be displayed as follows (e.g.
169.254.xxx.xxx).
If the network does not provide DHCP, you have
to specify the correct IP address by asking your
network administrator.
Even if the network provides DHCP, the server may
not allocate an IP address to the client properly, and
the client station cannot connect to the network.
) icon on the taskbar and
Q
I cannot connect to the AP.
► Check the Computer Settings
A1 Verify whether the wireless LAN function of the
computer is on by performing the following. If the
wireless LAN function is off, turn it on.
● For Windows Vista, verify that the wireless
network connection has been set to Enable in
Start > Control Panel > Network and Internet
> Network and Sharing Center > Manage
Network Connections. If the wireless LAN is set
to Do Not Use, right-click and select Use.
● Check if the wireless LAN is turned on.
A2 Verify whether the same network key (encryption
key) has been entered for both the AP and the
computer. The network key is an encryption key for
encrypting the data transmitted between the AP and
the computer. It is recommended setting the network
key manually.
► Check the AP Settings
For the AP settings, refer to the User Guide provided
by the AP manufacturer.
A3 Verify whether the environment is suitable for using
a wireless LAN. The use of a wireless LAN may be
restricted according to the environment and distance.
Obstacles such as walls or doors affect the use of
a wireless LAN. Install the AP in a high and open
space, 50cm from the wall and far removed from any
other radio signal sources.
165
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