Hi. After flash 2007HE, my 770 can't display anything on Screen, can't display Nokia logo. My 770 is start normal, but screen similar pc desktop set wrong resolution.
770 start with sound normal, usb connect normal ...

I flash other version (include 2006, 2008HE) but not fix problem.
I remove battery over 3h but not fix problem.

Please help me to fix problem.