ok i had my z1 installed before but the screen kept gettin stuck when i went to load a disc...so i unitstalled it and fix the screen...took it somewhere to get it installed and they installed it and was workin perfect...dat same day like 5 hours later...i went to turn my car on and the z1 menu buttons just started blinking blue and then stopped. da screen doesnt turn on or nothing but i can here the drive runnin? anyone know wat da deal is...im taking it back to the installer tho.