CCNA-NETWORKING

Check your router's documentation (usually included the CD that came with your router) for information on how to setup your particular router's network key or call your router's manufacturer for assistance.
Step 3: Ensure your Internet connection is functioning properly (Of course the best way to test it, is with another computer that is already connected wirelessly or an ethernet cable connection).
Step 4: Ensure your wireless card or adapter is installed in your computer and turned on. (Most newer notebooks have built-in wireless adapters - ensure the wireless switch that is physically located on the notebook is turned on).

Note: If the Wireless Connection icon ( or ) does not appear in the System Tray (bottom-right portion of your screen, where the time is displayed), your wireless switch is probably not turned on or your wireless USB adapter is probably not plugged in or the Wireless Connection is 'disabled'. Repeat steps 1 - 4, before continuing

Setting up the wireless connection:

Step 5: With the right mouse button, click on the Wireless Connection icon ( or ).
Step 6: With the left mouse button, click on View Available Wireless Networks in the applicable popup menu(Connected or Not connected , respectively ).
Step 7: In the left panel, under 'Related Tasks', click 'Change the order of preferred networks' .
If your network appears in the box under 'Preferred networks', continue with step 8, otherwise skip to step 10.
Step 8: In the box under 'Preferred networks', click to select your network (SSID).Step 9: Click the 'Remove' button.Step 10: Click the 'Add...' button.