[Vishal]

it is a setting problem . Got it to work with 2013 intel HD 4400 (dell xps 13 – i7 4500U)  with 3840×2160@50 Hz  ( the 4400 max is 3200×2000@60Hz if i remember correctly). 
Thank you for the prompt response and helpful feedback .

[Vishal]

Thanks for the feedback . Unfortunately no luck in getting it to work.

HDMI cable is from amazon basics and rated at 18Gbps  HDMI 2.0 , tried with other cables i had lying around (xbox One ) and there is no difference. 

using  SwitchResX  does not meet minimum security guidelines to install on  a macbook pro ( as the App has no App Store account ) and is merely a binary distribution over the internet.  

Using this adaptor with a HDMI 2.0 screen for the Mac OS X El Capitan is definitely a problem ( even if the MacBookPro is capable of 4k@60 through the DP ) .

[Author]

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