If you can access the Internet on your computer when connected wirelessly, but your router does not recognize ethernet cable, proceed with the following troubleshooting instructions.

Fault Ethernet cable

  • Step 1:Check if the Ethernet cable is not faulty.
  • Step 2:If so, replace the faulty cable with a new one.

Re-establish the wired connection

  • Step 1:Unplug the Ethernet cable from your router and computer.
  • Step 2:Leave it for a few seconds and reconnect the Ethernet cable between them. Now, check that the issue router does not recognize ethernet cable is resoved.

Enable the Ethernet connection

  • Step 1:Launch the Settings screen on your computer (Windows 10).
  • Step 2:Select the Network & Security option.
  • Step 3:Click Status in the left panel and select the ‘Change adapter options’ option in the main panel.
  • Step 4:Locate your wired network connection and check its status. If it is disabled, right-click it and select the Enable option.
  • Step 5:This will enable the Ethernet connection.

Re-installing your Ethernet drivers

  • Step 1:Launch Device Manager on your Windows 10 computer.
  • Step 2:Navigate to the Network Adapters section.
  • Step 3:Search for your Ethernet adapter, right-click it, and choose the Uninstall option.
  • Step 4:Confirm it by selecting the OK option.
  • Step 5:Once you restart the computer, the Ethernet driver will be installed automatically. And check the issue router does not recognize ethernet cable.

Reset your router

  • Step 1:Find the Reset button on the rear panel of your router.
  • Step 2:With the wireless router turned on, hold the Reset button for 15 seconds.
  • Step 3:Wait until the router reboots.

WAN or LAN port

  • Step 1:Make sure you have connected the router’s power adapter to the power source.
  • Step 2:Power up the router and wait until the Power LED turns solid green or white.
  • Step 3:Take the Ethernet cable and then plug into the router’s LAN port and the router’s WAN port.
  • Step 4:Check if both the LAN and WAN LEDs stay lit. 
  • Step 5:Do the same to check the rest of the LAN port.
  • Step 6:If the LED does not turn on, it indicates that the port is not you may get the issue router does not recognize ethernet cable.