打开注册表,找到
找到键值HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/COM Name Arbiter,右键ComDB,选择删除
2.移除设备的硬件映射,HKEY_LOCAL_MACHINE/HARDWARE/DEVICEMAP/SERIALCOMM,选中这几个串口,右键删除
3.移除软件映射,HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows NT/CurrentVersion/Ports,右键选中端口,删除