| Software and Utilities | Auto Scroll Utility for 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 | |
| Bluetooth and Modem | Broadcom Bluetooth 4.0 driver for Notebook
Version: 12.0.0.7850 / 12.0.0.7820 | Windows 8.1 64-bit | 2/16/2014 | |
| Networking: Wireless LAN | Broadcom Wireless LAN Adapter Software for Lenovo B4400, B4400s, B4450s, M4400, M4450, V4400
Version: 6.30.223.143 | Windows 8.1 64-bit | 2/20/2014 | |
| Audio | Conexant Audio Driver Software for Lenovo B4400s, B4450s, E4430, M4400s
Version: 8.64.62.50 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit | 2/13/2014 | |
| Audio | Conexant Audio Driver Software for Notebook
Version: 8.65.9.0 | Windows 8.1 64-bit | 2/13/2014 | |
| Camera and Card Reader | Genesys Media Card Reader Driver for Notebook
Version: .3.0.8 | Windows 8.1 64-bit | 2/17/2014 | |
| Software and Utilities | Hotkey Features Integration for Notebook
Version: 5.33.0000 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
Windows 8.1 64-bit
Windows XP 32-bit | 12/30/2013 | |
| Camera and Card Reader | Integrated Camera Driver for Lenovo B4400, B4400s, B490s, E4430
Version: 5.13.415.31/1.13.430.3/6.0.1330.5/3.4.5.11 | Windows 7 32-bit
Windows 7 64-bit | 11/12/2013 | |
| Camera and Card Reader | Integrated Camera Driver for Notebook
Version: 5.13.911.3 | Windows 8.1 64-bit | 2/16/2014 | |
| Camera and Card Reader | Integrated Camera Driver for Notebook
Version: 5.13.911.31 | Windows 8.1 64-bit | 2/17/2014 | |
| Chipset | Intel Chipset Support for Lenovo B4400, B4400s, M4400, M4400s, V4400
Version: 9.4.0.1017 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit | 7/31/2013 | |
| 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 | |
| Display and Video Graphics | Intel Display Driver for Lenovo B4400s, E4430, M4400s
Version: 9.18.10.3272 | Windows 7 32-bit | 11/13/2013 | |
| Display and Video Graphics | Intel Display Driver for Notebook
Version: 10.18.10.3325 | Windows 8.1 64-bit | 2/13/2014 | |
| Chipset | Intel Management Engine Interface Driver for Notebook
Version: 9.5.14.1724 | Windows 8.1 64-bit | 2/17/2014 | |
| Storage | Intel SATA Controller AHCI Driver for Notebook
Version: 12.8.0.1016 | Windows 8.1 64-bit | 2/16/2014 | |
| 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 | |
| Display and Video Graphics | Intel Wireless Display for Lenovo M4400s
Version: 4.2.19.0 | Windows 8 64-bit | 2/10/2014 | |
| Power Management | Lenovo Power Management Driver for Notebook
Version: 1.67.04.04 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows Vista 32-bit
Windows Vista 64-bit
Windows XP 32-bit | 12/5/2013 | |
| Software and Utilities | Lenovo QuickControl for Notebook
Version: 2.00 | Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit | 6/17/2014 | |
| Display and Video Graphics | NVIDIA Optimus Display Driver for Notebook
Version: 9.18.13.2762 | Windows 7 64-bit
Windows 8 64-bit | 2/13/2014 | |
| Display and Video Graphics | NVIDIA Optimus Display Driver for Notebook
Version: 9.18.13.2762 | Windows 8.1 64-bit | 2/13/2014 | |
| Bluetooth and Modem | Realtek Bluetooth 4.0 driver for Lenovo
Version: 3.754.754.080913 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit | 11/13/2013 | |
| Bluetooth and Modem | Realtek Bluetooth 4.0 Driver for Notebook
Version: 3.754.754.082813 / 1.3.754.3 | Windows 8.1 64-bit | 2/16/2014 | |
| Networking: LAN (Ethernet) | Realtek Ethernet Controller Driver for Lenovo B4400, B4400s, E4430, M4400, M4400s, M4450, V4400
Version: 7.70.314.2013 | Windows 7 32-bit
Windows 7 64-bit | 7/31/2013 | |
| Networking: LAN (Ethernet) | Realtek Ethernet Controller Driver for Lenovo
Version: 8.15.410.2013 | Windows 8 64-bit | 7/31/2013 | |
| 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 Ethernet Controller Driver for Notebook
Version: 8.18.621.2013 | Windows 8.1 64-bit | 2/17/2014 | |
| Networking: Wireless LAN | Realtek Wireless LAN Adapter Software for Lenovo
Version: 1.00.0226 / 2010.7.816.2013 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit | 2/10/2014 | |
| 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 | |
| Mouse and Keyboard | Synaptics Touchpad Software for Lenovo
Version: 16.6.4.34 | Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit | 11/7/2013 | |
| Mouse and Keyboard | Synaptics Touchpad software for Notebook
Version: 17.0.9.1 | Windows 8.1 64-bit | 2/17/2014 | |