whats up guys, ive been lurking on the forums for a while since i got my z1 about 3 months ago, but i wasnt able to install it til this weekend because now is when ive actually had time to install it... so i booted it up the first time this afternoon, and after it said "starting up pioneer navigation" or something like that, the screen then said "CANNOT USE HDD". i cant do anything else after that. i consulted my manual and it said to contact my dealer, so i called pioneer and they said that i should just exchange it. i cant exchange it because i got it off of ebay and the store seller had