Tried this combo today, with no expectations of it working. Color me surprised! And sound works as well
At first, the ASD seemed to have a little trouble, appearing to display a ~720p quality image, with not all screen elements rendered. After I unplugged it a couple of times, it seems to work fine and at 5K resolution. But I'm not sure how to verify resolution. Brightness control via the Steam Deck has no impact. But it appears to be using a fixed brightness setting from the last compatible Mac that you plugged it into.
At first, the ASD seemed to have a little trouble, appearing to display a ~720p quality image, with not all screen elements rendered. After I unplugged it a couple of times, it seems to work fine and at 5K resolution. But I'm not sure how to verify resolution. Brightness control via the Steam Deck has no impact. But it appears to be using a fixed brightness setting from the last compatible Mac that you plugged it into.
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