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You probably have more insights. What factors apply to prevent video output from old #DisplayPort, #Thunderbold of an #MacBookAir 2013? I have to adapters to #HDMI. I have different HDMI cables.

Sometimes it works, sometimes it don't.

It worked for years, but no more since two years.

It feels like one adapter works better dor some devices lile my TV, while the other works better for other devices like some beamer. Sometimes no combination seem to work at all.

Any tip or reasource is welcome. I like the MacBook and would like to keep using it.

What may affect the output, e.g. xcan I buy a specific cable or adapter respecting some specification thst increase the chance to make it work?