Hi,
· Is your computer on domain network?
· What is the make and model of router?
How to Change the Name of a Wireless Network
When you originally set up your wireless network, you likely gave it a name. If you didn't, it probably defaulted to the brand name of your wireless router. You don't have to be stuck with the name you originally gave it or the default name. You can change the name of a wireless network quite easily.
a) Look in your router's instruction manual to find its internal IP address. The IP address is a series of numbers, broken up by periods. For example, a common IP address is 192.168.0.1.
b) Open an Internet browser window, such as Firefox or Internet Explorer.
c) Type the router's IP address into the address bar and click, "Enter." This will open a web page with your router's control panel.
d) Enter your user information if required. The username will often default to "Admin" and then enter the personal password you set up when you originally created your wireless network.
e) Access the "Wireless" link on the page.
f) Enter your new wireless network name in the field labeled "Wireless Network Name." This field is also commonly labeled as "SSID" which stands for "Service Set Identifier." Your new wireless network name will be saved.
Change the default SSID
Routers and access points use a wireless network name known as a service set identifier (SSID). Most manufacturers use the same SSID for all of their routers and access points. We recommend that you change the default SSID to keep your wireless network from overlapping with other wireless networks that might be using the default SSID. It makes it easier for you to identify which wireless network is yours, if there's more than one nearby, because the SSID is typically shown in the list of available networks. Check the information that came with your device for instructions about how to change the default SSID.
Hope this helps