macOS Help: Cant get ethernet to work, Big Sur 11.1

By Freirburro
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big_sur

This guide provides a structured approach to troubleshooting and resolving the reported issue.

Step 1 — Identify Your Hardware

Record your system specifications: CPU, GPU, storage, wireless chipset, motherboard.

Step 2 — Check Compatibility

Compare your hardware against the OpenCore installation guide.

Step 3 — Update Core Components

Refresh kexts, OpenCore version, and config.plist as a single controlled change.

Step 4 — Test Systematically

Verify boot, graphics, network, sleep/wake, audio, and USB individually.

Expected Results

  • The system boots consistently
  • The original issue is resolved
  • No new problems introduced

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Original Question: "Cant get ethernet to work, Big Sur 11.1"

Ive tried IntelMausiEthernet, IntelMausi, Apple1000e kexts, but it didnt work

The ethernet card is Intel I219V.

DPCIManager and System Information doesnt see any ethernet cards. While in the port, Yellow and Green lights are on

submitted by /u/Ad3s12
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