If an update broke it, go to Properties > Driver > Roll Back Driver . Disable "Energy Efficient Ethernet" (EEE):
✅ for full Windows 11 compatibility. ✅ Disable power-saving features in driver settings if you experience drops. ✅ Keep MEI driver updated if using vPro/AMT features. intel i219 lm driver windows 11
By following these steps, you should be able to successfully install the Intel I219-LM driver on Windows 11 and get your Ethernet adapter up and running. If an update broke it, go to Properties
The I219-LM sometimes turns off to save power. Device Manager > I219-LM > Properties > Power Management. ✅ Keep MEI driver updated if using vPro/AMT features
Here's some content about the Intel I219-LM driver on Windows 11:
Right-click (or similar). Select Update driver > Search automatically for drivers .
Check Cable (Cat5e/6) or Force Speed to 1.0 Gbps Full Duplex.