http://blogs.msdn.com/samar/pages/hci.aspxMarch 30, 2009 - 5:25p PST Documented Observation #1 - Lenovo Laptop Middle Mouse Button First I must start by saying that IBM/Lenovo laptops are very stable, durable and high performance machines. Few months ago, I got an X61 Thinkpad. I was readilyen-USCommunityServer 2.1 SP1 (Build: 61025.2)