Symptom:

Screen is unresponsive to touch while in our app.

Resolution:

Step 1: Loose cable check

Check if the connection was disconnected. In cases where screen is a different component than the CPU (e.g. Zivelo where there is a screen + backpack combination) there is a USB cable that connects from the screen to the backpack.

Step 2: Test the screen

Hit the two buttons on the back of the ELO or on the backpack (it's the Power button and the "home" button (looks like a house). Access the control panel. If the screen is then responsive, it is unlikely to be hardware related and can be our software.