I've recently purchased 2 x 7 inch Official RP3 Touchscreens from your website but currently having trouble getting either of them to work.
They don't display anything when the Pi boots up? All my ribbon connections etc look correct.
Here's my setup:
Raspberry Pi 3 Model B
Separate power cables going to both the Touch Screen and the Pi.
Boots up from USB drive (running latest and updated version of Raspian)
Have tried everything possible to get these Touch Screens working but no success so far.
Any advice would be much appreciated