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TLV320AIC3254EVM-K: USB is not recognized

Part Number: TLV320AIC3254EVM-K
Other Parts Discussed in Thread: TLV320AIC3254


Our customer used the TLV320AIC3254 EVM board, and first USB could recognize, but when he opened DFUTEST.exe, and downloaded the .bin file of image, and then USB couldn't be recognized, his operation system is Win10. The device manager is appeared as this(unknown USB device):

Best regards