Just wanted to point out this new tutorial that is on the Windows site that provides an easy step by step guide to try and fix problems with wireless networking in Windows, covering Windows &, Windows Vista and Windows XP.

Wireless network connection problems in Windows Tutorial

It covers:

  1. How to view and connect to a wireless network.
  2. Hardware such as making sure all cables are connected, resetting your modem and how to use the network adapter in device manager
  3. How to use any of the inbuilt troubleshooters such as the network troubleshooter
  4. How to update your drivers to make sure you have he most recent ones for your hardware.