“Have a NS-PU378CHM that I purchased with a new MacBook Air It was working on Friday and when I cam back to my Air on Monday the monitor will not sync/show the Air screen. Pass through, USB-A ports worked monitor worked using my old laptop. Bad HW?”
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Hi. It's possible that it needs a driver's update. Please, contact us via email on the link below my signature for further orientation. Charles V. - Insignia Support https://www.insigniaproducts.com/contact-us
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