Hello I purchased the link 350z ecu and installed it into the shop car . I downloaded the software on 2 separate windows computers . One has windows 7 and the other has window 10. when I go to plug in the link plug in the computer it not picking up the ecu on both.Yes the ignition is on . i tried changing the com from 1 to 10 on both computers , I tried the auto com function . no good . The blue light on the ecu is on but wont connect . I don't know what else to do .