I don’t normally use screen savers, but the other day I spotted a flashy one called "Ribbons" in Windows 10 that looked new to me, so I let it on while listening to music in Groove. But after about 20 min the music stopped, Z83-4 locked up. Obviously due to processor (or maybe RAM?) overheating, as the unit base (aluminum?) was pretty hot when I touched it. The mishap occurred again today as I was watching news stream in Kodi. Since there is no fan inside, also any vents on the casing either (!) I wonder whether placing the unit upside down might help prevent sudden shut downs? Any tips/suggestions on this?