![]() ![]() ![]() Either way, I was able to get my requirements out of this laptop via the Thunderbolt connection. Perhaps this is expected, or this is a bug. Same TV input and cable, through the dongle, and this same laptop hits at 4:4:4 color easily. Using a Thunderbolt/USB-C to HDMI dongle adapter (this one: ref=ppx\_yo2ov\_dt\_b\_product\_details), this laptop is able to connect to the TV as I need it to without issue. It can't do 4k at 60Hz and 4:4:4 (nor RGB). Namely, it can do 4k 4:4:4, but only at 30Hz, or I can do 4k at 60Hz with only 4:2:0 compression. Using the same HDMI cable and TV input that this desktop computer is using, this laptop cannot match the desktop computer's settings using the HDMI connection on the laptop. I have been able to test this laptop with its Iris Xe graphics on a 4k TV that a desktop computer is successfully connecting to at and 4:4:4 (though RGB doesn't work, it's not really needed as 4:4:4 chroma subsampling is enough).
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