This sounds very similar to what I’ve been reporting in another thread. Immediately on installing the March OSMC, I noticed random blank screen events upon start/stop of playback. At first I thought the system had crashed, after a while I came to realise that as far as Kodi is concerned, playback seems to be in progress, albeit with a blank screen and no sound. I have found that switching input on my AVR (Marantz NR1603) away from the Vero, and then back, recovers the display. The pattern is a bit random. Sometimes when I do a warm re-boot the Vero will boot through to the Kodi GUI, other times it will get to the blue OSMC screen and then go blank. The precise sequence of stop/start events to cause a blank screen also appears random.