AdamZ

Problem solved. The USB eeprom reconfiguration did the trick. Previously I was not selecting the correct setting for the development board. MANY thanks for your invaluable help.

I am using USB driver version: 2.12.16.0 I am Working with vivado 2015.4. I have also tried 2015.1 and 2016.1. The board does not show in adept. It shows no devices connected. Unchecking vcp made the com ports disappear. But vivado still gives the error and the board is still not seen in adept.

It seems to be recognized fine. I have attached an image of the USB tree when board is plugged (left) and when unplugged (right). Thanks.

I am trying to operate the Nexys Video development board using the vivado hardware manager on a windows 8 system. However I keep getting No hardware targets exist on the server error. Steps i have taken to remedy the situation include: Re-installed Vivado with included cable drivers Tried different versions of vivado Tried on a different PC Formatted PC and installed vivado Updated FTDI drivers Tried 3 different (new) USB cables Installed cable drivers manually The programming jumper is in the right position (jtag), the USB cable is plugged into the correct (prog) port and the board is powered. Can anyone suggest anything else I might try to fix the issue? Thanks.