USB UART not connected 'hdlcoder_led_blinking' working on zc706

Hello,

I have MATLAB 2019b version installedon my system, working on 'hdlcoder_led_blinking' example for FPGA in loop. I am unable to run interface modelwhich was generated using this example. Error is USB UART Not connected. changed the DIP switches (3,4 UP), sw12 to 0 & 1.

I have installed all the neccesary add-ons required, connected ethernet, JTAG, USB UART and followed the procedure given in the link https://in.mathworks.com/help/hdlcoder/ug/getting-started-with-hardware-software-codesign-workflow-for-xilinx-zynq-platform.html

There is no External Mode option available in this version, can anyone suggest how to connect the board.

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Thanks & regards

Karthik