3D model progress build has dissapeared.

Syncmanatl

New to 3D printing. Rebuilt FLSUN I3. Marlin software, mks genL board. My first few prints, I could see the progress on the build platform, layer by layer, on the Manual Control page. now its disappeared??

Repetier

Check if you have filament visualization disabled in toolbar.

Syncmanatl

Couldnt find it. Only "connect, load and log" showing. Finally figured out, EASY MODE disables it.