I am new to this site. I just purchased a used avic-f90bt. it was working fine for about a year and it started giving me problems. I decided to update it. I updated it using the latest version Pioneer sent me. It seemed to work fine. All file loaded with no problems. Now all I have is the navigation system. nothing else shows up. It seems that all files have been deleted.

 

Can someone please provide me with some back-up files or tell me what is can do to fix it. It seems that all the post that include the files do not work anymore.

 

Thanks!