PPX screen goes black 1-2 times while watching a movie

Hi @Hippo65 you should contact our After Sales and inquire about a warranty replacement/repair. Since this happens with HDMI as well as internal, this sounds like a hardware problem, not fixable by software. However, before doing that I recommend a factory reset “just in case”, and also, the biggest potential source of the problem: please replace the HDMI cable with something different and see if it helps.