this post was submitted on 07 Jan 2025
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[–] cmnybo@discuss.tchncs.de 2 points 3 weeks ago

There are projectors with DisplayPort, but HDMI and VGA are more common. Laptops usually use the USB-C DP alt mode to output DisplayPort signals. HDMI requires a separate port. USB-C can output HDMI, but very few devices support it and it will never be updated past HDMI 1.4.