Samsung NP-X22-K01-SEA - Manual (Page 162)

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 Click Start > Control Panel > Performance and
Maintenance > Administrative Tools > Computer
Management and click Services and Applications
> Services. In the right pane, double-click Wireless
Zero Configuration and check if the Startup Type is
Automatic and the Status is Started.
Q
I cannot connect to an AP. (The wireless
connection is disconnected frequently.)
▶ Check the Network Key.
A Right-click the Wireless Network Connections icon
from the Taskbar and click View available wireless
networks. If wireless networks are found, it indicates
that the device is operating properly but the network
settings may have a problem. Please check the
Network Key (Encryption Key) and the AP settings.
▶ Check if there is a device nearby using the same
frequency band.
A1 If there is a device nearby using the same frequency
band such as another wireless LAN device,
wireless video transceiver, microwave oven, plasma
bulb, etc., channel interference may occur. If you
experience interference from another device, it is
recommended changing the AP channel.
A2 When operating in EEE802.11g mode, if there is
a IEEE802.11b device operating nearby, you may
experience low data rates or even disconnection as it
operates in Hybrid mode.
▶ Check the authentication type.
A A connection may be disconnected after a period of
time if the “Use IEEE 802.1x network authentication”
option is selected when IEEE 802.1x authentication
is not being used.
View the properties of the corresponding AP in the
Wireless Network Properties. In the Authentication
tab, unselect the “Use IEEE 802.1x authentication in
this network” option.
For detailed information on the authentication server,
ask your network administrator.
▶ Check the AP settings.
A1 Check if the surroundings are appropriate for a
wireless LAN. A wireless LAN connection may be
limited by the surrounding environment and distance.
Obstacles such as walls and door mats affect the
quality of the wireless LAN signal. You have to install
an AP in a high, open position far away from any
other radio signal sources. If the AP is excessively
far away, or is installed at the end of a building and
you are attempting to use the wireless LAN from the
other end, you may not be able to use the wireless
communication normally because the signal is
blocked by obstacles between you and the AP (such
as a wall).