Ive got biab 2011 upgraded from 2010.I use it direct from the hard drive through the usb port.Ive d/loaded the update 312 build but I am then told if I use the hard drive from the usb I must replace the X of X:\bb with the drive letter of the usb?... can anyone help me with this as Ive never had this query when d\loading other bulds.Thanks Frankie