I was unable to playback my record video on my sensation. when i tried to playback, i only get the black screen and then it make my whole device become silent, no any sound at all even play music. So i need to restart my device everytime after i shoot a video. Who can hand me some help. I just got my device 1 to 1 exchange as previous set also having this problem but they didnt change my memory card. So i wonder is it related with my memory card?