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I had an HP s270n monitor that I really liked, but I had to return it when I left my job.
So I bought another one for myself: same make and model.
However, the new monitor won't work with my same computer: a MacBook Air.
I'm connecting my MacBook Air to the HP s270n monitor using a USB-C cable.
The error message on the monitor reads "Input Signal Not Found" . "Check the video cable and video source."
The monitor works with my MacBook Pro when connected using an HDMI cable.
The monitor does not work with 2 different laptops connected using a USB-C cable.
I also tried 2 different USB-C cables; neither works.
It says USB-C Video Connected on the monitor.
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