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Hello I just received my Zybo Z7-10 board a few days ago, and have been working on it. I think the USB type A (the USB OTG) is not working. Because I have plugged a simple flash memory with a LED on its back and when I plug it, its LED doesn't turn on. I have another FPGA board "Basys3", and if I plug my flash memory, the back LED on flash memory turns on. I have implemented a Petalinux on the board and it cannot also recognize that USB when I plug it. I have also tested the USB A voltage pins,the voltage between the far right and left pins, and the voltage difference is zero which has to be around 5 volt. Since the warranty time is 30 days, I was wondering if one of the technicians could help me whats going on and if the board is defective. Thank you