Sometimes a Cloned or Deployed from Template VM seems to act as if it was created without network adapters. Once you have lost faith, check for hidden devices that make conflict into the network settings.
1. Open a cmd and type: set devmgr_show_nonpresent_devices=1
2. Now type : devmgmt.msc to open the Device Manager console. You must use the command or no hidden devices will be shown.
3. Expand the Network Adapters tab and click on “Show hidden devices” upon the View menu.
4. Identify any hidden adapter and Delete them.
5. Restart your vm and try.