Z3x Box dead :(

Hi there i have had this box for just over a year and its now being detected by windows tried to repair in shell but says cannot find the smart card i have uninstalled it all including drivers, shell and tools. I have reinstalled them but its just coming up saying dead when i plug it in it has the usual lights all up until i try and use tool or shell and then it? Any solutions going to reinstall windows now :confused:

OS windows 7 64 bit