Having problems connecting my lap top to my wireless cable modem. Its a motorola SBG900 gateway. everything seems to be connected. Im able to use it with a ethernet cable just need help geting it to be wireless.

Ok. As per your statement your laptop is working perfectly , when you are connected your laptop with with the cable wire.So the network cable is OK. So you have to configured the wireless cable in your laptop when it is connected to your laptop. After connecting the cable wire to your laptop you have to findout the gate way of your ISP ( Internet Service Provider). To find out the gate way , kindly follow the following instructions.

First findout the IP address , subnet mask,and Gateway addresses of your ISP ( InternetService Provider ).To find out the above mentionedaddresses first open the control panel -> network connections -> local area connction -> properties -> Internet Protocol Version 4(TCP/IPV4) OR Internet Protocol Version 6 (TCP/IPV6)according to your ISP -> Properties

By the systematic selection as mentioned above you will get the IP address, subnet mask and Gateway addresses. Kindly note the Gate way address of your ISP. Then enter the gateway address in the browser and open the window. Then a control panel / a window will appear. It will prompt you to enter 1). user name, and 2) password. If you are having the user name and passwords provided by your ISP , kindly enter them in the window and click to open. Then the particulars of Motorola SURFboard SBG900 Wireless Router will be displayed in the window. Then click the wireless icon and click to enable. Hurray ! your laptop will work perfectly through wireless. If you are not aware of about the 1). User name and 2). password , you must approached to your ISP and try obtain the same for working of your laptop wirelessly.