Ethernet not working anymore after 10.13.3 upgrade

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Ethernet not working anymore after 10.13.3 upgrade

OS High Sierra 10.13.3

On the 3rd of Feb 2018 I installed the latest version of macOS. From that day my ethernet network connection has stopped working. Wifi still works.

How can I get my ethernet back again?

We've tested the cable by plugging it into a PC and it works, so its not a cable problem.

I am new to Mac so not sure what to do next

iMac with Retina 5K display, macOS High Sierra (10.13.3)

Posted on Feb 17, 2018 10:40 AM

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Answer 1

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den.thed

Level 10

91,702 points

Feb 18, 2018 12:07 PM in response to Jacotte

Go to: Apple > System Preferences > Network > highlight Ethernet in the sidebar > click the - box > then click the + box and add a new Ethernet Service to the sidebar.

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Answer 2

Feb 17, 2018 11:42 AM in response to Jacotte

Hi,

Try an SMC reset > Reset the System Management Controller (SMC) on your Mac - Apple Support

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Ethernet not working anymore after 10.13.3 upgrade

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