Look for names like "Realtek PCIe GBE" or "Intel Dual Band Wireless."

If the download is a .zip file with no installer: Right-click the "Unknown Device" in Device Manager . Select Update Driver Software . Choose Browse my computer for driver software .

Tip: To check yours, press Windows Key + Pause/Break and look at . How to Install the Driver

Always avoid third-party "driver update" sites, as they often contain malware. Visit the official support pages: Intel Download Center Realtek: Realtek Downloads

Newer routers or security updates may require updated driver versions. How to Identify Your Network Hardware