This is my 3rd nuc, a NUC7I7BNH and I just installed OS, all drivers, BIOS and firmwares are up to date. My previously set up on a AOC 32" monitor and a 4-ports HDMI switch was an Asus Vivo, a NUC7I3 and PS4 pro. All three worked just fine on 4k resolution. But this NUC7I7BNH makes the screen go on and off (stays off for about 3-4 seconds every now and then). As mentioned Before all drivers and the HDMI 2.0 firmware are updated. I do not experience any problem when reconnecting my old NUC7I3!
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