No Ethernet connection on Windows 11 or 10? Can't connect to the internet via cable? This complete 2026 guide shows you exactly how to download and install the correct Ethernet (LAN) drivers – even if you're completely offline! In this tutorial, you'll learn:How to identify your motherboard or Ethernet chipset (Realtek, Intel, Killer, etc.) Best official sources to download drivers (manufacturer websites) Offline driver installation using USB (perfect for fresh Windows installs) Automatic driver