| Audio | Conexant Audio Driver Software for Windows 8.1 64-bit - Notebook
Version: 8.65.9.0 | Windows 8.1 64-bit | 2/13/2014 | |
| Chipset | Intel Chipset Support for Lenovo B4400, B4400s, E4430, M4400, M4400s, V4400, Zhaoyang K4450, K2450
Version: 9.4.0.1026 | Windows 8.1 64-bit | 2/20/2014 | |
| Software and Utilities | Auto Scroll Utility for Windows 8.1 64-bit, 8 64-bit, 7 (32-bit, 64-bit), XP - Notebook
Version: 2.10 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
Windows 8.1 64-bit
Windows XP 32-bit | 1/9/2014 | |
| Software and Utilities | Intel Smart Connect Technology 4.2 for Lenovo B4400s, M4400, M4450, M4400s, V4400, Zhaoyang K4450, K2450
Version: 4.2.41.2549 | Windows 8.1 64-bit | 2/20/2014 | |
| Networking: LAN (Ethernet) | Realtek Ethernet Controller Driver for Lenovo B4400, B4400s, B4450s, E4430, M4400, M4450, M4400s, V4400, Zhaoyang K4450, K2450
Version: 8.18.621.2013 | Windows 8.1 64-bit | 2/18/2014 | |
| Networking: Wireless LAN | Realtek Wireless LAN Adapter Software for Lenovo B4400, B4400s, B4450s, E4430 , M4400, M4450, M4400s, V4400, Zhaoyang K4450, K2450
Version: 2012.2.827.2013 / 1.00.0227 | Windows 8.1 64-bit | 2/20/2014 | |
| ThinkVantage Technology | ThinkVantage Access Connections for Windows 7 (32-bit, 64-bit) - Notebooks
Version: 6.21 | Windows 7 32-bit
Windows 7 64-bit | 2/24/2014 | |
| ThinkVantage Technology | ThinkVantage Communications Utility program for Windows 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - Desktop, Notebook, ThinkVision
Version: 3.1.9.0 | Windows 7 32-bit
Windows 7
Windows 7 64-bit
Windows Vista 32-bit
Windows Vista
Windows Vista 64-bit
Windows XP 32-bit | 2/27/2014 | |