Ethernet cable plugged in but Mac says no connection
An Ethernet cable that looks plugged in isn't connected properly. First, unplug the cable from both your Mac and router, wait 10 seconds, and plug it back in — make sure it clicks. If that doesn't fix it, restart your Mac.
Ethernet cables need to click firmly into the port to work. If it looks plugged in but isn't fully seated, your Mac gets no signal even though the cable is there. A quick unplug-and-replug fixes it. If the cable is truly connected and your Mac still sees nothing, then the port or the cable itself can be damaged.
Fix-IT-Bot will walk you through each step — just tap, no typing needed.
Skip — I just want a technicianCommon mistakes to avoid
- Assuming the cable is plugged in when it's just sitting near the port — it needs to click to work
- Trying to force the cable in at an angle — Ethernet cables only go in straight
- Not checking the light on the port — that light tells you everything you need to know
Signs you need professional help
- The light on the port is green and steady, your Mac shows connected, but you have no internet
- The connection light never comes on even with a cable you know works — the port can be broken
- The cable was working before and now it's not, and you haven't changed anything
Book a technician
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Can't fix it yourself?
Most issues are resolved remotely in 15 minutes. Weekend appointments only — no parts, no in-home visit needed.