I have a Dell Latitude D630C model laptop, that when undocked using the taskbar button or the pysical undock button, will crash. It also crashes when docking. It will just either give a bluescreen or freeze completely, but mostly it just freezes. I have not had any problems so far with any of the other 11 we got this year, but it is just this one. I have had problems in the past with other models, but just shutdown before undocking. This is not a favorable option to this user as he undock/docks the computer multiple times a day.