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

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 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. 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. In Windows XP, go to [Start] >

 

has been

Control Panel> Network Connections and right-click on Wireless

 

deactivated or

Network Connection. If Enable appears at the top of the menu, click

 

disabled

it to enable the device. In Windows Vista, go to [Start] > Control Panel,

 

 

and double-click on Windows Mobility Center. If the wireless network

 

 

is off, click the [Turn wireless on] button..

 

 

 

165 Troubleshooting the WLAN