need help pls...my cousin borrowed my kdf hd and he installed an android custom os on it.so when tried to reset it under settings and select erase it, then after that my kindle reboot then it stuck on a teamwin image...i have no idea about it.is there anyway to hardreset the tablet.cause i've tried searching on google i use the kindle fire utilitly but no luck and does not charging anymore...it can't install driver of my tablet.so pls...help me out!