Touch screen capability suddenly lost

[clibbob]

Originally Posted by Rumpelteazer

Check if there are any crumbs or something else stuck between the "rim" and the screen. I once had my Ipaq become unresponsive and it turned out to be a stuck crumb pressing on the touchscreen, after removing it it worked fine again.

Perfect! I finally got my PRS600 frozen screen unfrozen. I'd like to stop crumbs (more like salt crystals) from getting in that space. I tried putting a piece of scotch tape over the joint but that stopped the Reader from starting up. Is there any non-reflective but clear solution that could be attached to the frame?