I have a Variax Standard Guitar, I decided to update the firmware with the line 6 USB port provided with the guitar, the update begins normaly but the update finished with an error an the Guitar right now wont turn on the modeling features , I tried to update again but my comouter doesnot see any more the device, also I try the option on Line6 monkey (I DONT SEE MY DEVICE) but the guitar doesnot turn on...what I need to do to flash again the GUITAR... thanks!!!