Recently I tried to install boot.img using FASTBOOT but was unable to get FASTBOOT to go to FASTBOOT USB after connecting to MacBook Pro with USB.
To see if drivers were an issue I tried to do the same to my HTC One X (Evita) and had no problem getting FASTBOOT USB.
Both units have Android Debugging USB checked.
Both units are using CM11 ROM and latest TWRP recovery.
I had flashed, via TWRP, a Google Edition ROM but did not like it so installed my CM11 backup from TWRP
I tried a different USB cable
Am I missing something? One X does FASTBOOT USB and One does not?
Perhaps going to S-OFF but I think I need to be able to use FASTBOOT USB?!
Any ideas are very much appreciated.