Here is the text regarding that specific search context, along with a security advisory and standard instructions for finding the correct driver.
However, because many 802.11n adapters are older or integrated into various laptop models (HP, Dell, Acer, Lenovo), Windows sometimes fails to identify the specific manufacturer (Realtek, Broadcom, or Atheros) automatically. This is where a manual FREE download becomes necessary. How to Identify Your Wireless Card 802.11 N Driver Download -FREE- Jasvendra Parmar
Option 1: Windows Update (Safest)