hi i have a 2nd generation ipod touch jailbroken with ios 4 from redsnow. today when i turned on my ipod nothing happened so then i pluged it in the computer and there was a yellow screen. after that the apple logo comes on. And then the ipod restarts and again the yellow screen and the apple logo. And it repeats. It does not connect to the computer or anything else. Help please i am freaking out. i dont want to lose my ipod touch. please!!!!