Samsung NP-R50 User Manual page 152

- Verify whether the AP's firmware is the most recent version. (Contact the AP
manufacturer or the place where you purchased the AP for details of the AP
firmware.)
A5 Verify whether the AP has been properly connected to the network.
Verify whether the network is operating normally by connecting the wired
network cable, which has been connected to the AP, to your computer.
A6 Check the network key settings (encryption key).
When automatic code conversion (a passphrase function) has been selected and
data communication is not functioning even with a normal wireless connection,
it is recommended entering the network key (encryption key) manually.
A7 Check the AP settings as follows. (The following is recommended for a standard
environment and thus may differ according to the specific wireless network
environment.)
- When several APs are present simultaneously, check the channel setting for
each AP. When different APs are using nearby channels, interference may occur
between electronic waves. Set the APs' channels further apart from each other.
(Ex: Ch1, Ch5, Ch9, Ch13)
- When an AP's SSID (Service Set ID) option is set to "Hide", you cannot search
for that AP on the computer. We recommend canceling the "Hide" option for an
AP. The SSID is a name for distinguishing one wireless LAN from another
wireless LAN.
- It is recommended using Long Preamble. Preamble is a signal for data
transmission synchronization. Short Preamble may be supported by some types
of APs but may cause compatibility problems.
- It is recommended using a static IP.
- Since static channel selection is more reliable than auto channel selection, it is
recommended setting a static channel.
Q5 In the Windows XP 'Available wireless networks' window, the Wireless
Network Connection is displayed as 'Not Available'.
A1 When there is a Wireless LAN button, ensure that the Wireless LAN button is
turned on.
A2 Check if there is additional program for a wireless LAN connection installed.
Windows XP supports wireless LAN connections through the Wireless Zero
Configuration (WZC) service. Therefore, an additional program for wireless
LAN connection is not required, unless the network requires a specific program.
However, installation of some wireless LAN related programs may sometimes
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