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I'm having big issues with getting my onboard network cards to work with Ubuntu. I've tried clean installs of 16.04, 18.04 and 18.10, each version reports the cards as being unplugged.

I've tried tried the same ethernet cable and ethernet wall socket on a different computer without issue.

I'm currently on 16.04.1 and have installed the latest Intel drivers (v3.4.2.1) from here using the following commands :

sudo make install

modprobe e1000e

When I run

modinfo e1000e | grep version

I see that the version reported installed is

version:        3.4.2.1-NAPI

so i assume everything went well.

But after rebooting the network cards still report themselves as being unplugged. WiFi works fine on the same computer.

These are my computer specs if that helps.

None of the other threads I see here work, any help is greatly appreciated.

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    Please edit your question and add output of lspci -knn | grep 'Eth -A3 terminal command.
    – Pilot6
    Commented Feb 27, 2019 at 14:06
  • It doesn't output anything, just puts me back at the prompt.
    – kellogg76
    Commented Mar 1, 2019 at 13:28
  • I made a typo lspci -knn | grep 'Eth' -A3
    – Pilot6
    Commented Mar 1, 2019 at 13:28
  • Here's the output :- b6:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection X722 for 1GbE [8086:37d1] (rev 09) DeviceName: Intel Ethernet X722 Subsystem: Super Micro Computer Inc Device [15d9:37d1] Kernel driver in use: i40e Kernel modules: i40e b6:00.1 Ethernet controller [0200]: Intel Corporation Ethernet Connection X722 for 1GbE [8086:37d1] (rev 09) Subsystem: Super Micro Computer Inc Device [15d9:37d1] Kernel driver in use: i40e Kernel modules: i40e
    – kellogg76
    Commented Mar 4, 2019 at 12:06

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