My iPod will NOT jailbreak! !! H E L P !!

[xJKH]

right, i jailbroke my ipod 3.1.2 and it worked fine, cydia worked, fontswap and all that.. but when i downloaded WinterBoard, it froze.. and i had to restore it! now, im trying to jailbreak it again, and when i click 'make it ra1n' the ipod screen goes to the i tunes and wire connected screen, and then turns black, but blackra1n says waiting for reboot!! what am i / have i done wrong? H E L P !!!
:confused::confused::confused::confused:

[Simse]

First, if your device freezes you can just run blackra1n again, same happened to me.
Second, try on another computer and try to reboot your device and try again :)

[xJKH]

already tried that, restarted it... restored it... tried a different laptop!! :confused::mad: