IBM Personal computing support - Intel PRO/Wireless LAN 2100 3B Mini PCI adapter software for Windows 2000/XP - ThinkPad R40, R50/e/p, R51, T40/p, T41/p, T42/p, X31, X40 Problem: ThinkVantage Access Connection software on IBM ThinkPad T41 with Intel PRO/Wireless LAN 2100 3B Mini PCI adapter cannot control turn wireless radio on and cannot detect any wireless network . I formatted my brother’s ThinkPad T41 and used the ThinkVantage Software Installer to install all related drivers. To my surprise, after every driver was installed, ThinkVantage Access Connection could not control turn the wireless radio on nor can it detect any wireless network. However, if I check the “Use Windows to configure my wireless network settings” button in the Wireless Network Connection Properties, Windows XP's Wireless Zero Configuration itself was able to detect my home wireless network and could perfectly connect to it. I consulted a friend who is very knowledgeable in ThinkPad and learned that there