xilinx USB Cable JTAG無(wú)法用！！

zeng119

驅(qū)動(dòng)正常。ISE 14.7版本      iMPACT上可以下載程序          XPS上 下載時(shí)，卻提示無(wú)JTAG。
Connection to Board Failed
) J! O2 k5 E4 r. [/ V1 k8 c1 a  Failed to Open JTAG Cable

0 {" R4 r' V2 l4 u. o3 z  Cable target is not connected to the host
1 D3 `  D0 j) j' ^- \. b4 dProgram FPGA failed
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; C; e! T. o6 M5 IConnection to Board Failed
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  Failed to Open JTAG Cable
    Cable target is not connected to the host
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; @. y) ^6 H$ D  g; j6 f& {有知道問(wèn)題的嗎？  感謝

天字：一：號(hào)

你知道了嗎？我也遇到這個(gè)問(wèn)題了，解決不了

xiaozhubanna

同求，怎么解決？