如果你在 windows 上，很多时候它不能完全识别设备，并且由于驱动程序问题，设备不会显示.

If you are on windows, many times it will not recognize the device fully and because of driver issues, the device won't show up.

• 进入设置
• 控制面板
• 硬件和声音
• 设备管理器

并查找任何显示错误的设备.许多机器人将显示为未知的 USB 设备.选择该设备并尝试为其更新驱动程序.

And look for any devices showing an error. Many androids will show as an unknown USB device. Select that device and try to update the drivers for it.