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MSP432P401R LaunchPad黑色款,连接电脑用CCS8更新固件后,烧录程序时变砖了,如何解决?

Other Parts Discussed in Thread: TM4C1294NCPDT

更新界面是这样的:

Warning:
A firmware update is required for the debug probe. Click the "Update" button to update the firmware and connect to the debug target.
DO NOT UNPLUG THE DEBUG PROBE DURING THE UPDATE.

黑色板子出问题后,红色的板子也不能连接电脑了,插入时设备管理器没有更新新设备,但LaunchPad引脚的电压和指示灯全都正常。换过电脑和数据线也不能连接。一直报下面的错