7. Cable to the screen broke (and thus it boots, but no display). Cables will be soon back in the Dragonshop.
8. Somehow, the coil got loose (https://pyra-handheld.com/boards/threads/mainboard-repairs.74327/#post-1303391) during transit, when it was still on.
I've never heard of a Pandora booting without showing some life on the LEDs in the hinge, even if the LCD isn't working