Fujitsu FPCM22911 User Guide - Page 119

Troubleshooting the WLAN Troubleshooting Causes and countermeasures for troubles you may encounter while using your wireless LAN are described in the following table. If you are unfamiliar with the steps required, consult your System Administrator or go to [Start] -> Help and Support -> Networking and the Web 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 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 transmission. The WLAN device has been deactivated or disabled To re-activate the device, click on the [Fn] and [F5] buttons simultaneously. The computer to be connected is turned off Check if the computer to be connected is turned ON. 118 Troubleshooting the WLAN