Why can't connect me to Internet Via Ethernet?

Hello

I help set up the iMac to a friend. No problem problem connecting to Internet through WiFi but can not get the connection via Ethernet. Cables checked and ethernet and all are in working condition. Took some screen shots but I'm not good at all with this stuff. Can someone explain where I'm wrong. Of course, it's simple for a person - but not for me!

That's what I mean when I open the network tab:

I'm not with the Mac today so instructions to take with me would be very appreciated.

Kind regards.

Are plug you the ethernet cable directly to one of the ports on the router to the ethernet port of the iMac, rather than through network extensions? If so, and it is not working, you have another ethernet cable, you can try?

If the cable connections are good and it still does not, you can try a reset SMC and NVRAM (PRAM) and then test again:

Reset the management system (SCM) controller on your Mac - Apple Support

How to reset the NVRAM on your Mac - Apple Support

Tags: Mac OS & System Software

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