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Here are some essential step that you have to follow. Connecting to a WLAN To connect to the WLAN, follow these steps: 1. Be sure that the WLAN device is on (the wireless light is white). If the wireless light is amber, press the wireless action key (f12). 2. Click the network icon in the notification area, at the far right of the taskbar. 3. Select your WLAN from the list. 4. Click Connect. If the network is a security-enabled WLAN, you are prompted to enter a network security key, which is a security code. Enter the code, and then click OK to complete the connection. NOTE: If no WLANs are listed, you are out of range of a wireless router or access point. NOTE: If you do not see the network you want to connect to, click Open Network and Sharing Center, and then click Set up a new connection or network. A list of options is displayed. You can choose to manually search for and connect to a network or to create a new network connection. After the connection is made, place the mouse pointer over the network icon in the notification area, at the far right of the taskbar, to verify the name and status of the connection.
Your problem may appear from a not properly enabled WLAN card. Make sure the Wi-Fi swithc is in ON position and on your laptop keyboard try the FN+F8 combination to have displayed the wireless card status. The WLAN card has to be ENABLED to be able to connect to the Internet. The combination done will make appear on your display a window with some options available; choose that option that enables your wireless card. Also check in your computer's DEVICE MANAGER if your WLAN card is working properly. To do so follow these simple steps: 1. START and click on SYSTEM; 2. in SYSTEM option click on DEVICE MANAGER; 3. on DEVICE MANAGER option go at NETWORK ADAPTERS and see if there your wireless card is indicated and it shows that it is working PROPERLY; 4. if an UNKNOWN DEVICE is indicated then try to find the right driver for you notebook model and WLAN card model; 5. install the driver then REBOOT and recheck in DEVICE MANAGER if your WLAN card is displayed properly this time.
Go to START, Control Panel, System, Hardware and search the listing for network cards and see if you laptop shows a wireless card. If it does than you should be able to go to Network Connections and see if you can scan for wireless connections.
Sometimes these laptop need special drivers to enable their wireless card features or hardware based on/off switches for the radios.
Your computers bios might also have the WLAN turned off. Watch the start screen for the button to press for bios and push it and look around to see if there is a WLAN on/off feature and make sure its on.
Right click,on my computer,Click properties,click device manager (on the left),Click the Network adapter,Click on the wireless adapter and click enable.Then turn the wireless radio off and back on as you have done before or just restart the computer.
make sure that your wireless or wifi light is on,you may try to press Fn and F2 at the same time to enable or swith on wireless..if wifi is already on,try going to start >> control panel >> network connections,go to wireless network connection and double click it, it will give you a list of wireless network,or right click and then "view available wireless network", if you get an error that windows cannot configure wireless connection,go to start >> all programs >> loo for either dell wlan utility or intel pro wireless, by opening that app,it will also search for wireless network in range,just double click on the network name where you want to connect and you sould be connected provided that "wireless network" doesnt have encryption like wpa or wep key..if your connecting to your home network,you should have wireless router at home and wireless is enabled on the router.
Locate your wireless card compartment on your computer. It is probably on the back of it. Your computer manual should tell you where it is. Open the compartment and locate your wlan card. Remove it from your laptop for about 30 seconds, and then reinsert it and make sure that the proper connections to it are firm and secure. Close up the compartment. Turn on your laptop. Your laptop should search and recognize it. If it doesn't, then your wireless card probably quit working on you. If your computer is still under warranty, and if it doesn't recognize it after you have tried this, then you can contact your computer manufacturer and explain to them what happened. They should replace your wireless card at no charge. If you bought the wireless card from some other store, then take it to them and explain to them, and ask for a replacement wireless card.