Mac pro can't find ethernet

Hi all!

After several months of perfect connection via Thunderbolt-Ethernet adapt something happened. My mac just stopped to see the ethernet cable (which is ok, because I have tried several different cables in places where the connection was fine).  Then I thought that the problem was a Thunderbolt adapter, so I got a new, but it's the same thing. In the system information it says that thunderbolt is connected, but in Network preferences, it is said that thunderbolt is inactive. Someone here met with something similar? I don't know what to do, but go to the service center.

Sorry, the problem is solved

Tags: Notebooks

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