sview doesn't work after reboot.. why? topic

hello. please, in lollipop (every rom i tried even stock), when i reboot phone the sview doesn't recognize and i have to unmount cover for retorn to work. if instead i shut down phone and start again, the sview works well.... is like the memory in reboot doesn't keep..... can anyone help me? the sview cover is with chip and i don't know if is genuine. thanks