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Re:Ask HN: Setup for 3 Laptops by nakrou on Saturday January 15, 2022 @04:32AM (#29945112)
What you’re referring to in #2 is called a KVM. Ones with more than two input PCs are kinda uncommon, but here’s the first one I saw on Amazon: https://www.amazon.com/TESmart-DisplayPort-Switcher-Supports...

You’ll need a DP cable and a USB-B cable for every laptop which might be annoying.

Re:Ask HN: Setup for 3 Laptops by devShark on Saturday January 15, 2022 @09:27AM (#29946588)
ok, thanks, I will look into that.