Windows 7 will not detect the Wireless LAN hardware on Lenovo Thinkpad T420 series. After installing Windows, you will need to download and install the wireless LAN driver manually. Here we provide the direct download link for Wireless LAN driver for Thinkpad T420.
- Operating system: Windows 7 64 bit
- Manufacturer: Intel
- Size: 250 MB
- License: Free
- Filename: 8aw217ww.exe
Intel Wireless LAN (bg, abg, abgn) for Windows 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP – ThinkPad