Mac OS High Sierra latest update or thunderbolt 3 error? blue screen after changing input

Just trying to figure out what is happening here… LOL
Made a restart, PRAM, SMC reset still doing the same as you seen on the video.
The sound is working on the monitor provided by the macbook but only show a blue screen.
…moreover in the system pref I see the external monitor.
*UPDT* tried on a 4k TV and everything worked well… any advice???

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