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
Download
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
Download
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
Download
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
Download
Audio
Conexant Audio Driver Software for Notebook
Version: 8.65.9.0
Windows 8.1 64-bit
2/13/2014
Download
Camera and Card Reader
Genesys Media Card Reader Driver for Notebook
Version: .3.0.8
Windows 8.1 64-bit
2/17/2014
Download
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
Download
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
Download
Camera and Card Reader
Integrated Camera Driver for Notebook
Version: 5.13.911.3
Windows 8.1 64-bit
2/16/2014
Download
Camera and Card Reader
Integrated Camera Driver for Notebook
Version: 5.13.911.31
Windows 8.1 64-bit
2/17/2014
Download
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
Download
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
Download
Display and Video Graphics
Intel Display Driver for Lenovo B4400s, E4430, M4400s
Version: 9.18.10.3272
Windows 7 32-bit
11/13/2013
Download
Display and Video Graphics
Intel Display Driver for Notebook
Version: 10.18.10.3325
Windows 8.1 64-bit
2/13/2014
Download
Chipset
Intel Management Engine Interface Driver for Notebook
Version: 9.5.14.1724
Windows 8.1 64-bit
2/17/2014
Download
Storage
Intel SATA Controller AHCI Driver for Notebook
Version: 12.8.0.1016
Windows 8.1 64-bit
2/16/2014
Download
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
Download
Display and Video Graphics
Intel Wireless Display for Lenovo M4400s
Version: 4.2.19.0
Windows 8 64-bit
2/10/2014
Download
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
Download
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
Download
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
Download
Display and Video Graphics
NVIDIA Optimus Display Driver for Notebook
Version: 9.18.13.2762
Windows 8.1 64-bit
2/13/2014
Download
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
Download
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
Download
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
Download
Networking: LAN (Ethernet)
Realtek Ethernet Controller Driver for Lenovo
Version: 8.15.410.2013
Windows 8 64-bit
7/31/2013
Download
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
Download
Networking: Wireless LAN
Realtek Ethernet Controller Driver for Notebook
Version: 8.18.621.2013
Windows 8.1 64-bit
2/17/2014
Download
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
Download
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
Download
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
Download
Mouse and Keyboard
Synaptics Touchpad software for Notebook
Version: 17.0.9.1
Windows 8.1 64-bit
2/17/2014
Download