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1 make sure wifi lan is there in device manager if not there you need to install driver for this. 2. check in network connections if Wifi lan card is disabled if disabled . right click on it and enable 3. check wifi button is on . it can be keys combination or on/off button
A Local Area Connection, or LAN, is generally a small home or office network used to link all the devices in the area. With the advent of wireless technologies, LAN networks are no longer limited to the amount of cords you own. Laptops can connect to wireless LAN easily with their built in wireless adapters. Connecting two laptops together over wireless LAN is also easy, but requires a few special steps to give the laptops access to each other.
1Connect both laptops to the wireless network you wish to use. Once connected, click the "Start" button and navigate to the "Network" menu.
2.Click the "Network and Sharing Center" link. Press the "View Computers and Devices" button. A list of devices currently on the network is displayed.
3.Check the list for the names of both laptops. If both laptops are displayed in the list of devices connected to the network, the devices are connected wirelessly to a LAN network.
There are a couple of ways you can network two computers together.
Each computer must have a network card installed together with the LAN card drivers. The two computers needs to be connected to a network hub and these computers need to be set up on the same workgroup name.
Using a network hub will allow more the two computers to be connected to a network and the number of computers that can be installed on this network depends upon the number of available ports on the network hub.
You can use a Crossover LAN cable to connect the two computers together and you won't need a network hub. To information and how to setup a home network, please click on this link - Home Network Guide, routers, print servers etc. http://sites.google.com/site/networkguidedemo/home
Check in the Device manager to see if all the devices are enable and working.
The one with a yellow ? against that device requires a driver installation.
Is the LAN device OK?
How do you intend to setup your LAN, is it for Internet access or a home network?
I need more information on your problem, together with error messages.
According to the laptop's quick guide this is how you enable and disable your wireless:
Radio components: Wireless LAN/ Bluetooth/UMTS
The installation of a wireless LAN module not approved by Fujitsu
Siemens Computers GmbH voids the permits issued for this device
(see chapter "Technical data", Page 22).
Depending on the device variant, wireless LAN, Bluetooth and/or UMTS may be integrated in your notebook.
On delivery, WLAN components are switched on, Bluetooth components off.
Switching the radio components on and off
Start the WirelessSelector using the key combination Fn + F1 .
The WirelessSelector enables you to switch the radio components activated in
BIOS Setup on and off individually.
BUWlMuireTtlSeososthLAN Press the key combination Fn + F1 to start the WirelessSelector.
The radio component indicator will be illuminated when one or more
radio components is switched on.
If you switch off the radio components, the Bluetooth module, UMTS and
wireless LAN transmission unit (antenna) will also be switched off.
You can enable or disable the radio components individually.
BIOS Setup allows you to specify which radio components can be switched on
and off using the key combination Fn + F1 .
Only those components that have been activated in BIOS Setup can be switched on and off using the key combination Fn + F1 .
Conversely, components that are deactivated in BIOS setup cannot be controlled using the key combination.
You can also activate and deactivate the radio components individually
in the BIOS Setup. You must have assigned the supervisor password in
order for this function to be available.
Pay attention to the additional safety notes for devices with radio
components provided in the "Safety" manual.
Details on using Wireless LAN can be found in the online help system
included in the Wireless LAN software.
You can find more information on how to use Bluetooth on the CD you
received with your Bluetooth software.
Connect the LAN port on the Barricade to the WAN port on your wireless router. The Barricade should be "plug-and-play",
i.e., no need to configure it. Similarly, the WAN port on the wireless-router is plug-and-play, so it should automatically get an IP-address from the Barricade.
Use an Ethernet cable to connect the network-port on your computer to one of the LAN ports on the router.
Then, start Internet Explorer, and connect to the web-server "inside" the router. Run the "Wired Network Setup Wizard", and then the "Wireless Network Setup Wizard". When you're done, then your "wireless" device(s) (iPod Touch, laptop, XBox360) should be able to make a wireless connection.