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My Mac has suddenly stopped being connected to the net via Ethernet. My ISP tells me that in the Mac Network Utility I should select Configure IPv4 - Using DHCP. It still comes back that Ethernet has a self-assigned IP address and will not be able to connect to the Internet. Can anyone please tell me why it is doing this when I assume it should not be self-assigning an IP address. Thanks.
iMac 21.5" 4K, macOS 10.15
The first think I would do is reboot the router then the computer.
The first think I would do is reboot the router then the computer.
could be a defect cable or the port in the router or the mac I would try another cable and another port in the router as first troubleshooting step
Connecting Mac to Ethernet
