Fujitsu E8420 manual Troubleshooting the Wlan

Troubleshooting the WLAN

Troubleshooting

Causes and countermeasures for troubles you may encounter while using your wireless LAN are described in the following table.

Problem	Possible Cause	Possible Solution
Unavailable	Incorrect network	Ad hoc connection: verify that the network names (SSID’s) and
network	name (SSID) or	network keys (WEP) of all computers to be connected have been
connection	network key	configured correctly. SSID’s and WEP key values must be identical on
		each machine.
		Access Point (Infrastructure) connection: set the network name
		(SSID) and network key to the same values as those of the access
		point.
		Set the Network Authentication value identically to that of the Access
		Point. Please consult your network administrator for this value, if
		necessary.
	Weak received	Ad hoc connection: Retry connection after shortening the distance to
	signal strength	the destination computer or removing any obstacles for better sight.
	and/or link quality	Access Point (Infrastructure) connection: Retry connection after
		shortening the distance to the access point or removing any obstacles
		for better sight.
	The WLAN device	Check if the wireless switch is turned On. Go to Start > Control Panel,
	was deactivated or	and double-click on Windows Mobility Center. If the wireless network
	is disabled	is off, click the [Turn wireless on] button..

168 - Appendix A: WLAN User’s Guide