I have 2 MacBooks - one for work (2018 model) and my own (2017 15" 3.1Ghz i7) and a Samsung Odyssey G9.
The monitor works fine with my work laptop, but my personal laptop (with a fresh install of Big Sur) won't even detect it. When I plug the monitor in (with exactly the same cable as works with my work MacBook), the screen comes on (as though it's detecting it's been connected), but the MacBook doesn't detect it's plugged into a monitor at all.
Anyone have any ideas why that is? Posting here as this board seems a lot more active than the Apple forums.
Thanks in advance for any help!