Cannot access the Internet

internetNetwork

I don't normally move my laptop. Today I made an exception and took it to a friend's house. Once I've returned home, I was no longer able to connect to the Internet. The browser says: "Server not found" and the system clock does not show the correct time. I don't use WiFi, I connect to the Internet using a physical connection. When I connect the same cable to my desktop Mac, I have no trouble connecting to the Internet, so the problem is not with my router or Internet service provider. I restarted my laptop in Internet recovery mode and was able to browse the Internet while in that mode. Please help me restore Internet connectivity.

MacBook Pro
macOS Sierra
Version 10.12.3

Best Answer

OP here. The issue was resolved with the help of an Apple support representative back in March 2017. The solution was to delete the Ethernet entry in System Preferences -> Network, add a new Ethernet entry, and then reset the SCM as described in this article ("Reset the SMC on Mac notebook computers").

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