ERROR: [Labtools 27-2269] No devices detected on target localhost:3121/xilinx_tcf/Digilent/210249856159.
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: [Common 17-39] 'open_hw_target' failed due to earlier errors.
ERROR: [Labtoolstcl 44-513] HW Target shutdown. Closing target: localhost:3121/xilinx_tcf/Digilent/210249856159
就会出现上面的这种情况,而且经常性的出现。比如说:今天出现这样情况,然后明天再连接的时候就可以连接上了,或者第三天就可以连接上了,然后过了一两天可能就又不行了。很烦啊这个, 怎么解决啊