[Bug] Ubuntu wired settings cannot be opened and there is no response

Foreword:

Suddenly the wired settings cannot be enabled, but I can connect to the Internet and check the IP address.

solve:

Finally, a new dependency package was installed:

sudo apt install gnome-control-center

Then it's ok

There is another method, I haven’t tried it, but it seems to make sense:

Embedded Linux Study Notes 6 - Solution to the problem of wired disappearing in Ubuntu network settings_There is no wired in the upper right corner of debian_Su Dongpo swag's blog-CSDN blog