this is what i've tried: restore to 4.2.1 in itunes 10 on win7 64bit run greenpois0n in admin mode hold down power + home release power after 10 seconds during black screen GP says it's in dfu mode select jailbreak white screen connect to itunes screen lots of disconnecting and reconnecting GP says "jailbreak complete" without displaying any code on the screen! Reboot - Not jailbroken. So I restore and try the process with limera1n same thing, doesn't work. so i go to a 32bit winxp machine and try both Same thing, jailbreak acts like it's complete but fails. What in the world is goin on here? Why Can't I jailbreak this ipad?