求助,win7 64位,安装Bq20Z45R1,连接EV2400,硬件属性里显示为USB输入设备,可以通过update更新为V0.28。但进软件报错,连接不上电池。换了台win7 32位和windows XP,现象一样,软件左下角显示communication error。右侧显示no usb:vb_no_usb。
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