But sd card is properly working with my pc(it is class 10 sandisk sd card). So what we do next.

mouse led are lighting when we connect it to pi.

sir ,
My keyboard not working with raspberry pi while earlier one months ago it was working properly(keyboard are working right with pc). When i power up the raspberry pi the ACK is not blinking only PWR are lighting.And mouse are working properly.
please help us.

why my raspberry pi not booting after the first successful boot and installation of OS.we checked the recovery option .recovery runs but after recovery when pi restart again not booting.