Fujitsu E8420 E8420 User's Guide - Page 173

Troubleshooting the WLAN Troubleshooting Causes and countermeasures for troubles you may encounter while using your wireless LAN are described in the following table. Problem Unavailable network connection Possible Cause Incorrect network name (SSID) or network key Possible Solution Ad hoc connection: verify that the network names (SSID's) and network keys (WEP) of all computers to be connected have been 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 signal strength and/or link quality Ad hoc connection: Retry connection after shortening the distance to the destination computer or removing any obstacles for better sight. Access Point (Infrastructure) connection: Retry connection after shortening the distance to the access point or removing any obstacles for better sight. The WLAN device was deactivated or is disabled Check if the wireless switch is turned On. Go to Start > Control Panel, and double-click on Windows Mobility Center. If the wireless network is off, click the [Turn wireless on] button.. 168 - Appendix A: WLAN User's Guide