Problem with Router

Does anyone here use Dell TrueMobile 2300 to have wireless Internet connection on a laptop? I am really frustrated because I have followed Dell's instructions on how to set up a wireless Internet connection. I connected all of the cables to the Router, the cable modem, and the computer correctly. But I keep on getting an error message saying that my computer cannot detect the router. Does anyone know what might be wrong? I tried calling Dell Technical Support today, but no one helped me. I stayed on the phone for an hour. I ended up not getting help.

I found out that I must have a driver problem. There is not even a Wireless Connection Icon on my computer. I don't seem to be able to find the information on Microsoft's web site. Does anyone know where I can obtain the driver from? Please give me the exact web site address. Thank You!  Please look at the following information:

Driver Installation Issues

If you do not see the Wireless Connection icon in the Network Connections folder, or if you cannot view the properties for the Wireless Connection icon, there may be a problem with the driver installation. To troubleshoot this issue, verify that you have the latest available driver from the device manufacturer, and then follow these steps to start determining the source of the issue:

1. Click Start, right-click My Computer, and then click Manage.
2. In Computer Management, click Device Manager in the console tree.
3. In the details pane, double-click Other Devices and look for the wireless network adapter. If you locate the adapter in the Other Devices folder, this indicates that a driver has not been installed. To resolve this issue, obtain and install a driver from the device manufacturer.
4. If you do not locate the adapter in the Other Devices folder, look in the Network Adapters folder.
5. When you locate the wireless network adapter, write down the make and the model of the adapter.
6. In the properties for the wireless network adapter, under Device status, verify that the message "The device is working properly" is displayed.
7. If the wireless network adapter is not in the Network Connections folder, there is either a problem with the device, or the driver may not be installed. In this case, you should see an error under Device status. You can search the Microsoft Knowledge Base for information about the error code to troubleshoot this problem. To search the Knowledge Base, see the following Microsoft Web site:

   http://support.microsoft.com/