Well I got my itouch jailbroken to where when it turns off i have to plug it in and run commands. So today it turned off randomly the battery was charged to my knowledge.Then when i tried to retether it my computer would say its unrecognized So I try to put it in DFU mode doesnt work u hear it turn off on the computer and on. But it doesnt say its in DFU mode I tried to hard reset it no luck. I also tried to put it in recovery mode. No luck. The screen is black and cant turn on. What do I do?