NEC ShieldPRO N22A, Руководство пользователя

Страница: 136 / 173

136
Symptoms Action
Communication is disabled intermittently or the
communication speed is too late.

If a microwave oven is used in an area where communication with
2.4 GHz wireless LAN device occurs, the communication speed and
distance of the 2.4 GHz wireless LAN device may be reduced.
It is recommended that microwave ovens are not used near 2.4 GHz
wireless LAN devices.

Concurrent communication of 2.4 GHz wireless LAN and
Bluetooth devices may decrease the communication speed and/or
distance of devices of each type. It is recommended not to operate
either 2.4 GHz wireless LAN or Bluetooth devices or keep them
away from each other.

If more than one computer are connected to a network, increase in
the number of computers connected to a single wireless LAN access
point may cause the transmission speed per computer to decrease.
A remote computer does not appear in [Network
Computer].

Check computer names. A computer connected to N22A may have
the same name. Give a unique name to N22A.

If a remote computer does not have the
“
File and Printer Sharing for
Microsoft Network
”
service, the PC does not appear in the
[Wireless Network Connection Properties] dialog box. Install the
service in the remote computer.

Check if the TCP/IP protocol is installed in N22A. Set the IP
address properly to be appropriate for the network connected.

The surrounding radio wave status may be bad. Shorten the distance
to the remote computer connected to N22A and/or remove obstacles
between N22A and the remote PC. Then connect N22A to the
remote device again.

The remote computer may be just booted. After several minutes,
check the connection status again.
Double-clicking the icon of a remote computer in
[Network Computer] cannot indicate the
information on the PC. Check if shared folders and printers exist in remote computers. Set
folders and printers to be shared on remote computers to
“
Sharing and
Security...
”
.
Connection with an access point is cut off without
notice. If more than one access point exist in the surrounding area, the
connection is automatically switched to another access point
depending on settings of access points. If another access point uses the
same SSID (network name), change the SSID.
A wireless LAN cannot be used prior to log on to
Windows. Enable
“
Before log-on/common: active while a user is logging on.
All users share this profile
”
of management profile type for wireless
LAN setting.
For how to set, refer to CHAPTER 2 USING THIS PRODUCT
WIRELESS LAN.
(11) Bluetooth-related failure
Symptoms Action
Communication is not possible.

Make sure the wireless communication switch is on.

Check whether the Bluetooth function is disabled in the Wireless
network connection. If it is disabled, enable the function.
Communication disconnects. Connect the line again.
Disconnection of communication takes long. It may take much time to disconnect Bluetooth devices.