VM cannot change network to bridged state: No host network adapter not bridged

Fault Description:

The first step is to determine that the local wired and infinite network adapter supports VM bridging

in the second step, the drive device in Device Manager loads normally, but note that the two virtual network cards are problematic

> If you find that you do not have these two virtual network cards, then you must have re-installed the system or upgraded the VM appears. The reason is to uninstall the previous VM when not now hurriedly, this kind of method does not suit you, please click I jump another kind of method. The third step is to delete the network settings in the virtual machine

fourth step, after emptying the network card, click Restore default Settings

Note: If this cannot be done then must be before the virtual machine did not uninstall clean, need to unload load, step point I jump.