Thanks for your replies fellas, unfortunately I still haven't solved the problem completely. I managed to break out of the flashing lights by powering up with the model selector button pushed in and pick up selector to the middle ( I had tried this a dozen times before and it didn't work) I uploaded the latest firmware and workbench HD finally recognised it. I uploaded the new sounds but the guitar will still not function in Variax mode, not at all. It's going in for service before I've even played it 8(