(Realtek rtl8125) 2.5GBe ethernet not working on AMD B550 mobo

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Solution

Here's a solution I found;

  1. Go to the Realtek website

  2. Download the Unix(Linux) r8125 driver. You will need to give an email address.

  3. Go to /Downloads directory. Extract the Tarball.

  4. In Terminal, go into r8125-xxxx folder and run the autorun.sh

$ sudo ./autorun.sh

Everything should run automatically and you should get ethernet connection now.

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