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Getting Your Mac to Detect Ethernet Connections

Issue Description 

Ethernet cable connected but macOS shows no wired connection. 

Common Causes 

  • Disabled Ethernet service 
  • Faulty adapter 
  • Network configuration issues 

Step-by-Step Solution 

Step 1: Check Network Services 

  • System Settings → Network 
  • Ensure Ethernet is added and enabled 

 

Step 2: Add Ethernet Manually 

  • Click + → Add Ethernet 
  • Apply changes 

 

Step 3: Renew DHCP Lease 

  • Ethernet → Details → TCP/IP 
  • Click Renew DHCP Lease 

 

Step 4: Test Another Adapter or Cable 

  • Especially for USB-C Ethernet adapters 

Explore Further 

  • Reset network settings 

Prevention & Best Practices 

Use certified Ethernet adapters.