Problem Htc One S C2 topic

hi guys,
my htc one s c2 is crazy :silly: if i turn off it or put it in standby mode often it will not turn on for 10 minutes approximately and next the notification led doesn't work for "notification" but if it is in charge the notifacion led work. I'm going crazy:silly::silly:
Thanks for help and Sorry for my bed english:laugh: