Causes for internet Cable Unplugged Error
Errors regarding unplugged internet cables have several potential causes.
Reasons for failure might include malfunctioning online grid adapters, badEthernet cables, or misbehaving networkdevice drivers.
Some people who have upgraded from older versions of Windows to Windows 10 have also reported this issue.

Lifewire
Just unplug the laptop from power and remove the battery.
Reattach the battery, plug the laptop back in, and start Windows again when you get back.
Turn off the Ethernet data pipe connectionif you’re not using it.
Double-hit the smallA connection cable, is unpluggederror window, and choose theDisableoption to turn off the adapter.
Check both ends of the Ethernet cable to ensure that they are not loose.
If this procedure doesn’t help, try testing for a faulty cable.
Update the data pipe adapter driver softwareto a newer version if available.
The Ethernet adapter is a removable USB dongle, PCMCIA, or PCI Ethernet card on some older computers.
Remove and reinsert the adapter hardware to verify that it’s connected properly.
If that doesn’t help, try replacing the adapter, if possible.
Troubleshoot other internet connections.
Troubleshoot these devices as needed.
There are several steps totroubleshooting a home connection router problem.