Validating identity on wireless connection
Usually, windows will choose the faster connection.
You'll still have to enter your password for your wireless network to get connected.
Clear the box for "Enable IEEE 802.1x authentication for this network." Click OK to exit. This seems to be a common problem w/XP and wifi, especially is you're using WEP.
This depends on the wireless card vendor, but for Linksys, right-clicking on the green wireless icon in the notification area will give you the option to use Windows to manage the wireless connection.
If you want to use wireless, Do the same thing but instead of right clicking on wireless network connection, Right click on wired network connection, and do the same!The one from the manufacturer can sometimes interfere with the windows one. Many times you can log into the router from a wired connection and view the SSID and password.Next delete any connections you have run the connection wizard again. If you want to use wired, right click on wireless network connection and click disable, Then you are good to go! On the start menu, scroll over network connections and click show all connections.
Alternatively, network access control (NAC) systems could prevent the recognition of any unauthorized device.