Fujitsu Siemens Computers N6470 - Manual (Page 161)

156 - Troubleshooting the WLAN
Unavailable
network
connection
(continued)
The WLAN device has
been deactivated or
disabled Check if the wireless switch is turned ON. Also verify “Disable
Radio” is not checked in “Network setting” window.
The computer to be
connected is turned off Check if the computer to be connected is turned ON.
RF interference from
Access Points or other
wireless networks The use of identical or overlapping RF channels can cause
interference with the operation of the WLAN device. Change
the channel of your Access Point to a channel that does not
overlap with the interfering device.
Wireless network
authentication has
failed Re-check your Network Authentication, Encryption, and
Security settings. Incorrectly configured security settings such
as an incorrectly typed WEP key, a misconfigured LEAP
username, or an incorrectly chosen authentication method will
cause the LAN device to associate but not authenticate to the
wireless network.
Incorrectly configured
network settings Recheck the configuration of your network settings.
Incorrect IP address
configuration This only applies to networks using static IP addresses. Please
contact your network administrator for the correct settings.
Problem Possible Cause Possible Solution