i have finished my build. but i got a problem, when i turn on the pi, everything works but i got a white screen.
here are some pictures so everybody can see the connections i made,
somethings to clarify:
*in the sd i installed retropie with normal img.
*when i connect by the hdmi i have the retropie image
*when i turn on i have a white screen
[spoiler="the board of the screen"]

[spoiler="the back of the pi"]


sorry for the potato photos