Does this television support connection to a speaker system via an Aux cable? I have a speaker system that uses a 3.5mm jack, and want to know if it is compatible.

Yes it does. It is also a smart TV, so it connects to a smart home system like the Samsung SmartThings, home link, etc

Does this TV support Intel Wi-Di *Wireless Display from my laptop*?

I do not know if it is compatible or not but what I do know is that this TV is very good and I love it and it connects to the internet super well and fast

Questions & Answers: Samsung NU7100 58" 4K UHD HDR Smart TV UN58NU7100FXZA

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Samsung NU7100 58" 4K UHD HDR Smart TV UN58NU7100FXZA

Enjoy millions of shades of color, fine-tuned to create an incredibly vibrant picture with PurColor.
View stunning high-dynamic-range content with a TV designed to support HDR10+.
Experience smooth action on fast-moving content with Motion Rate 120.
Experience a greater sense of depth with optimized contrast across all areas of the screen with Contrast Enhancer.
Connect all your SmartThings devices on your mobile to control and monitor your new TV and connected devices all in one screen!

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