k....ive had my z2 for couple years now......all of a sudden it wont boot any more.........i love the z2 and i need to fix this thing..help......anyway its like it tries to boot then freezes at a black screen.....sometimes would get to the pioneer screen but no further.......any1 know wuts up with my z2 and have a solution??? keep in mind the only thing ive done to the z2 is bypass it........oh yeah.....i would like to fix this problem without deleting my music........is that possible? thanks in advance