hi all im going to smash my avic f900bt right in very soon if i cant fix my fault lol

my avic f900bt constantly says starting up in progress and it powers off and reboots i have tried everythink going , it will enter test mode and i can access music but have them errors i deleted all my flash card and user data by mistake but ive downloaded other flash card data from pioneer but still says starting up all the time and nav wont start i can get version 3.000.300 and map 02.000300 but all still will not work im totally fucked off and going to smash it up . i copied a guide from here and updated winmce and flashed all as said but still no look please help asap