ok so i'm an impatient idiot i didn't have midi out working but midi in worked so i uploaded the rc34 hex to my sammich obviously it froze waiting for the core to respond so i re tried it in manual mode which seemed to work i have this screen now see attachment (sorry mobile phone pic) but none of the buttons or encoder do anything except F2 makes the led's turn off when i push it resoldered it makes no difference any ideas where to check for bad times? all the top and bottom board chec