Sequoia 15.2 Mac Studio ethernet not connected
Others have this problem on different machines, e.g. MacBooks.
Mac Studio, macOS 15.3
Question marked as
There may be several reasons for this. EG-Anti-virus, VPN, or a 3rd party optimizing software. Another reason would be if you have a 3rd party firewall like Little Snitch. If so upgrade it or remove it. Also under network, check to see if there are any entries in "Filters". But you might want to update Sequoia as a first step to Sequoia 15.3.1.