When you reinstall your mac when
If you have been stuck in the MAC allows you to enter the remote management "Nuvolo Tchonlogise Inc" account, you forgot your account, not install time,
You can not install a networked system, so you can continue to install your mac
Concrete steps that
You reload your mac when selecting a network, select "Other Network Selection" and then select "My computer is not connected to the Internet," point to continue on ok
So you can smoothly reinstall your computer