Sometimes stripes like in attached photo appear on my GLK19264 instead of Matrix Orbital logo when powered on. After next power off / on it works normally. Anybody experienced something like this?

I found that one of the two inter-board connectors on the GLK series is rather sensitive to damage if the display is not properly mounted. See the attached picture. It is the connector on the keypad side. It is surface soldered on the front PCB. If the display is mounted by screws to a front panel w...