The LCD squeezes into a rubber gasket lining the perimeter of a frame underneath the faceplate. At the back it rests against ground traces on the backside of the printed circuit board. 5 screws hold this subassembly in place, 1 in each corner and one near top center of the device. The rubber gasket is very firm and holds the LCD well even when it's not fully assembled.

What I'm experiencing is a problem with the top center screw area. If the screw is snug, the touchscreen quits responding. If the screw is loosened it works, but then stops functioning again when the faceplate is snapped on. For reasons I have yet to discover pressure in that region is interfering with touchscreen functionality.

Since I can't determine root cause, I am looking for ways to maintain assembly integrity while also reducing pressure in the critical region. This is more for my own education (and to gain one more working device from the leftovers) than anything else.

NOTE: this is a very early build, the first trial run in fact, and is 2 main iterations behind currently produced devices... therefore what I experience is not necessarily something most purchasers will encounter. That's one thing I was wanting to verify. While it's possible this could be related to the right-side reduced function issue, I am inclined to believe that problem has more to do with hardware specific to that side, such as the LED emitter subassembly.