: Pre-installed software that scans your system and automatically installs missing or outdated drivers.
: Click on "Manual Update" and look for the "Wireless LAN" category.
: Look at the sticker on the bottom of your laptop or press the Windows Key + R , type cmd , and run the command wmic bios get serialnumber .
If you do not have internet on the laptop, use another device to download the driver from the Lenovo Support Website and transfer it via USB.
: Expand the "Network adapters" section.
: Navigate to the "Drivers & Software" section.
: Right-click your wireless card (often named Intel, Realtek, or Qualcomm Atheros) and select "Update driver".