mauricee93 Report post Posted September 7, 2016 Hi All, IM so Stupid to screwed up my avic f840-bt with the hackmode and testmode i was so stupid to remove all folders about the user folder in testmode the unit now has first the blue screen after that you see a black screen nothing is working anymore also Hackmode is not working anymore and gives a black screen, im only able to come in TESTMODE does anyone knows how i can fixed it ? or does anyone maybe have a backup of the user folder containing PRG0 PRG1 SETUP, and the rest ? I really appreciated help i playing already for 5 hours with the unit and not able to fix it Sorry for but it twice but im not sure where i need to post my question Share this post Link to post Share on other sites