解決問題： WARNING:iMPACT:923 - Can not find cable, check cable setup !

Try to do a quick unistall re-install of the drivers and check if it works.

 (1)    In a command prompt browse to your C:/Xilinx/<ISE_version>/ISE_DS/ISE/bin/nt64 directory on 64-bit installs. i.e. type cd C:/Xilinx/<ISE_version>/ISE_DS/ISE/bin/nt64

(2)    To uninstall the jungo drivers type the command:  wdreg -compat -inf windrvr6.inf uninstall

 (3)    To reinstall the jungo drivers type the command:  wdreg -compat -inf windrvr6.inf install