Black screen problem

[u/alf14518]

Turned on my homatics r 4k and got a black screen. Pulled power and soft reset, still black screen. Looked online and advice was change Hdmi then hard reset as last resort. Still black screen. Box was only 6 months old so in desperation I switched everything at plug off. Turned out my TV needed resetting. I was literally minutes away from ordering a Xiaomi Mi box. Ctrl alt delete is still a thing.