When the panel starts in AT View mode after replacing the mainboard, loading the correct firmware from below will correct this. Firmware Download links INF6540 Firmware Download: [Download] Updated: May 18, 2022 INF7540 Firmware Download: [Download] ...
Mondopad displays+PC module are not preinstalled with the Mondopad software. You will need to download the latest version of Mondopad software https://infocus.com/software/mpultra/ Refer page 8 of the Mondopad Software guide - Install and ...