Do the pcs you are trying to use have AMD processors? If so, do they use nvidia chip sets? If so, that is your problem, I had the exact same thing happen to me. If that's the case, the only work around is to use s separate usb card. ----- Original Message ----- From: "Adam Morris" <awmorris@xxxxxxxxxxxxxxxx> To: "book courier" <bookcourier@xxxxxxxxxxxxx> Sent: Tuesday, April 26, 2005 6:32 AM Subject: [bookcourier] usb version of book courier? > Hi guys, > > I'm having an ongoing problem connecting my bc to any pc's usb ports. > > I've tried it on 4 different pc's with 3 different cables (one supplied = > by springer recently) and it says the usb device is malfunctioning and = > windows can't recognise it. > > does the bc use usb 2.0? > > (the bc was sent back to springer and they ran the unit perfectly and = > updated software with no problems.) > > > any response appreciated. > >