hi, i am new to this forum and i really need help. i just received my jxd s7800b today and this very same incident happened to me, difference is when i try this method it connects and disconnects and will not stay connected. i followed the steps on another thread for an update (not custom firmware).all was going well and then it just shut off. i have no idea what to do, i've been scrolling through over threads but must of them link me to another site where and about a different tablet. any help would be greatly appreciated