chunyan

when using vivado 2015.4 to open hw target, it shows the error below. //=============================================================================== INFO: [Labtools 27-2285] Connecting to hw_server url TCP:localhost:3121 open_hw_target INFO: [Labtoolstcl 44-466] Opening hw_target localhost:3121/xilinx_tcf/Digilent/210203A01B89A ERROR: [Labtools 27-2269] No devices detected on target localhost:3121/xilinx_tcf/Digilent/210203A01B89A. Check cable connectivity and that the target board is powered up then use the disconnect_hw_server and connect_hw_server to re-register this hardware target. ERROR: [Labtools 27-55] Invalid index 0 passed to getDevice //=============================================================================== Vivado can find KC705 board serial number but cannot find hardware device. could anyone help? thank you.