If you use a USB Wi-Fi dongle or an aftermarket PCI card, go straight to the component creator:
Userland Components
Once you have downloaded the correct installer file, use one of these two installation techniques. Technique 1: Using the Executable Installer (Easiest) 80211n wifi driver for windows 7 32bit updated
: Often used in older ThinkCentre and ThinkPad models. Updated 32-bit drivers are available through Lenovo Support. If you use a USB Wi-Fi dongle or
Older drivers lack patches for modern network threats. How to Download and Install the Latest Driver Wireless Network Adapter
Look for a listing named something like 802.11n Wireless LAN Card , Wireless Network Adapter , or a specific brand name.