Notebook Lenovo B4400s Drivers Windows XP, Vista, 7, 8, 8.1

Source : support.lenovo.com
Download Lenovo B4400s Notebook Drivers Windows XP, Vista, 7 / 8 / 8.1 32/64bit

Type	Driver	Operating System	Released	Download
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