Cant connect (unlock) my lg phone

Hi need help please. Why cant connect my lg phone with z3x?

Log in debug (normal) mode:


Not detect phone! Please manual select port or reboot PC!
Check Android Lollipop…
Stage #1 ERROR
Stage #2

I have adb drivers install correctly. In mode emergency (download) z3x detect phone but cant unlock in mode emergency.

Pls if anyone can help me Thanks