after fixing the connection I layed out my front panel. Note the USB fixing bracket on the left display, this should be attached to the PCB before putting it back in it's place

After putting back the PCB, tighten the screws marked in yellow. These should be fixed. Don't overtighten them, but they should keep the pcb in it's place.

it's VERY IMPORTANT you don't overtighten the screws marked in orange. These fix the displays to the front panel, but also pull up the displays, causing them to disconnect. They do not serve any purpuse for grounding the PCB, so you can leave a bit of clearance.

you can test it first, which I'd recommend. If it now functions properly put the bottom of the housing back on, tightening the screws from step 3. Again, do not overtighten, as the housing is made of plastic which can crack from excessive stress.