My JTV 69 interface never worked from day one usb side led green dvi side red... decided to reinstall firmware (variax) - upgraded to v1.9 (both led's green) still not recognized by computer software... guitar would work with x3 live to update and with workbench so I didn't care that much... but now that I have updated to HD v2.0 variax and workbench HD... niether x3 live nor interface are recognized... help... yes DVI plugged in 1/4 inch to x3live (so I can hear) volume knob up... battery charged... power knob lit (on variax) have uninstalled and reinstalled all software and drivers, 2 green lights still not recognized...