Last Updated: March 2026 | Read Time: 6 min | ✅ Tested Fixes
If your Windows 11 Ethernet is not detected, your PC is not recognizing the LAN cable or network adapter. This means no wired internet connection — even if everything is plugged in correctly.
Don’t worry — this is usually caused by a driver issue, disabled adapter, or hardware glitch. In this guide, you’ll learn 7 proven fixes that work in most cases.
🔍 Why Is Ethernet Not Detected in Windows 11?
- Ethernet driver missing or corrupted
- Network adapter disabled
- Windows update broke LAN driver
- BIOS settings issue
- Faulty cable or port
✅ Fix 1: Check Ethernet Cable and Port
Before trying software fixes, check hardware first:
- Try a different LAN cable
- Switch router port
- Check Ethernet port light (should blink)
✅ Fix 2: Enable Ethernet Adapter
- Press Win + R
- Type ncpa.cpl
- Find Ethernet
- If disabled → Click Enable
✅ Fix 3: Show Hidden Devices in Device Manager
- Open Device Manager
- Click View → Show hidden devices
- Check if Ethernet adapter appears
✅ Fix 4: Install or Update Ethernet Driver
This is the most important fix.
- Open Device Manager
- Right-click Network Adapters
- Update driver
If not working, download driver from manufacturer website.
✅ Fix 5: Network Reset
- Settings → Network & Internet
- Advanced settings → Network Reset
This will reinstall all adapters.
✅ Fix 6: Check BIOS Settings
Sometimes Ethernet is disabled in BIOS.
- Restart PC → Enter BIOS
- Find Onboard LAN
- Enable it
✅ Fix 7: Run Network Troubleshooter
Windows can detect issues automatically.
- Settings → Troubleshoot
- Run Network Adapter tool
🔗 Related Fixes
❓ FAQ
Why is my Ethernet not showing?
It is usually due to missing drivers or disabled adapter.
Is this a hardware problem?
In most cases, no — it is a software issue.
✅ Conclusion
If your Windows 11 Ethernet is not detected, start with driver update and adapter enable fix. These solve most cases quickly.
Author: Bharat Choudhary (Tech Researcher)