Lenovo ThinkPad T440 Laptop Windows 7, 8.1, 10 Drivers, Software

Lenovo ThinkPad T440 Laptop

Download Lenovo ThinkPad T440 Notebook Windows 7, Windows 8.1, Windows 10 Drivers, Software and Update.

Select corresponding operating system and driver type to narrow the results.

Operating System:Type:
Driver TitleOperating SystemReleasedDownload
Realtek HD Audio Driver for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2016-04-22 DOWNLOAD
ThinkPad Setup Settings Capture/Playback Utility (SRSETUP) for UEFI - ThinkPad DOS 2016-03-10 DOWNLOAD
ThinkPad Settings Capture/Playback Utility (SRSETUP) - ThinkPad DOS 2015-01-28 DOWNLOAD
ThinkPad Setup Settings Capture/Playback Utility for ThinkPad 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 10 32-bit
Windows 10 64-bit
2016-02-05 DOWNLOAD
ThinkPad T440, T440s BIOS Update Utility Windows 10 64-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-03-15 DOWNLOAD
ThinkPad T440, T440s BIOS Update Bootable CD Windows 10 64-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-03-15 DOWNLOAD
ThinkPad T440, T440p, T440s Realtek 8192EE Bluetooth Profile Package Windows 10 64-bit
Windows 10 32-bit
2015-07-09 DOWNLOAD
ThinkPad T440, T440p, T440s Realtek 8192EE Bluetooth Driver Windows 10 64-bit
Windows 10 32-bit
2015-07-09 DOWNLOAD
Intel Bluetooth Software for ThinkPad Windows 7 32-bit
Windows 7 64-bit
2016-09-15 DOWNLOAD
Intel Bluetooth Software for ThinkPad Windows 10 64-bit 2015-11-05 DOWNLOAD
ThinkPad Intel Wireless Bluetooth 4.0 Adapter Software Windows 7 32-bit
Windows 7 64-bit
2017-01-17 DOWNLOAD
ThinkPad T440, T440p, T440s Realtek Bluetooth 4.0 Software Windows 8.1 64-bit 2015-06-04 DOWNLOAD
ThinkPad T440, T440s, T440p Realtek Bluetooth 4.0 Software Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
2013-09-30 DOWNLOAD
Intel Bluetooth Software for ThinkPad Windows 8.1 64-bit 2015-06-04 DOWNLOAD
Intel Wireless Bluetooth 4.0 Adapter Software for ThinkPad Windows 8 64-bit 2016-05-10 DOWNLOAD
ThinkPad L440, L540, T440, T540p Intel Bluetooth Software Windows 8.1 64-bit 2014-01-09 DOWNLOAD
ThinkPad T440, T440p, T440s Alcor Smart Card Reader Driver Windows 10 32-bit
Windows 10 64-bit
2015-09-07 DOWNLOAD
ThinkPad T440, T440p, T440s Realtek Card Reader Driver Windows 10 64-bit
Windows 10 32-bit
2015-07-08 DOWNLOAD
Sunplus/Realtek Integrated Camera Driver for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-04-17 DOWNLOAD
Intel Collaborative Processor Performance Control (CPPC) Driver for ThinkPad Windows 8 64-bit
Windows 8.1 64-bit
2013-10-06 DOWNLOAD
ThinkPad T440, T440p, T440s Alcor Smart Card Reader Driver Windows 8.1 64-bit 2015-10-26 DOWNLOAD
ThinkPad T440, T440s Alcor Smart Card Reader Driver Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-10-26 DOWNLOAD
ThinkPad T440, T440p, T440s Realtek Card Reader Driver Windows 8.1 64-bit 2013-10-15 DOWNLOAD
ThinkPad T440s Realtek Card Reader Driver Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
2013-07-08 DOWNLOAD
ThinkPad T440, T440p, T440s Intel Chipset Driver Windows 10 64-bit 2015-09-07 DOWNLOAD
ThinkPad Intel Management Engine 11.6 Software Windows 10 64-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-02-16 DOWNLOAD
ThinkPad T440, T440p, T440s Intel Chipset Driver Windows 8.1 64-bit 2015-10-05 DOWNLOAD
ThinkPad T440, T440s Intel Chipset Driver Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-10-07 DOWNLOAD
Intel Management Engine Firmware 9.5 for Window 10 (64-bit), 8.1 (64-bit), 8 (64-bit), 7 (32-bit, 64-bit) - ThinkPad T440, T440s, X1 Carbon (Machine types: 20A7, 20A8), X240, X240s Windows 10 64-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-05-18 DOWNLOAD
NVIDIA Optimus Display Driver for ThinkPad Windows 10 64-bit 2017-05-31 DOWNLOAD
Intel HD Graphics Driver for ThinkPad Windows 10 64-bit 2016-11-22 DOWNLOAD
ThinkPad Monitor INF File for ThinkPad Windows 10 32-bit
Windows 10 64-bit
2015-07-29 DOWNLOAD
Lenovo USB Display Driver for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-07-07 DOWNLOAD
Intel HD Graphics Driver for ThinkPad Windows 7 32-bit 2016-06-15 DOWNLOAD
Intel HD Graphics Driver for ThinkPad Windows 7 64-bit 2016-06-15 DOWNLOAD
Intel HD Graphics Driver for ThinkPad Windows 8 64-bit 2016-06-15 DOWNLOAD
Intel HD Graphics Driver for ThinkPad Windows 8.1 64-bit 2016-06-15 DOWNLOAD
NVIDIA Optimus Display Driver for ThinkPad Windows 7 32-bit 2017-06-01 DOWNLOAD
NVIDIA Optimus Display Driver for ThinkPad Windows 7 64-bit 2017-06-01 DOWNLOAD
NVIDIA Optimus Display Driver for ThinkPad Windows 8.1 64-bit
Windows 8 64-bit
2017-06-01 DOWNLOAD
ThinkPad Monitor INF File for ThinkPad Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2014-11-04 DOWNLOAD
DisplayPort(TM) to VGA converter Firmware for T440, T440s, X240, X240s Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
2013-10-15 DOWNLOAD
Intel Wireless Display for ThinkPad Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2014-04-22 DOWNLOAD
ThinkPad Basic Dock PTN Firmware for ThinkPad Windows 10 64-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-09-07 DOWNLOAD
ThinkPad Pro/Ultra Dock Synaptics Firmware for ThinkPad Windows 10 64-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-09-07 DOWNLOAD
ThinkPad Pro/Ultra Dock VIA Firmware for ThinkPad Windows 10 64-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-09-07 DOWNLOAD
ThinkPad T440, T440s SCCM package Windows 10 64-bit 2016-11-18 DOWNLOAD
Windows Utility To Read and Write Asset ID Information for Window 10 (64-bit), Windows 8.1 (64-bit), 8 (64-bit), 7 (32-bit, 64-bit) - ThinkPad Windows 10 64-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2016-02-23 DOWNLOAD
ThinkPad T440, T440s SCCM package Windows 8 64-bit 2013-07-08 DOWNLOAD
ThinkPad T440, T440s SCCM package Windows 8.1 64-bit 2015-03-04 DOWNLOAD
ThinkPad T440, T440s SCCM package Windows 7 32-bit
Windows 7 64-bit
2015-03-04 DOWNLOAD
DOWNLOAD
Validity Fingerprint Common Driver for Desktops, Laptops and Workstations Windows 10 32-bit
Windows 10 64-bit
2016-06-21 DOWNLOAD
Lenovo Fingerprint Manager Pro for ThinkPad, ThinkCentre, Workstation 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
2016-03-09 DOWNLOAD
DOWNLOAD
Synaptics ThinkPad UltraNav Driver for ThinkPad Windows 10 32-bit
Windows 10 64-bit
2016-10-28 DOWNLOAD
Lenovo Enhanced Performance USB Keyboard for Dekstop, Laptop, Workstation Windows 7 32-bit
Windows 7 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
2015-03-03 DOWNLOAD
Synaptics ThinkPad UltraNav Driver for ThinkPad 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
2016-08-24 DOWNLOAD
Lenovo Enhanced Performance USB Keyboard and Wireless Keyboard and Mouse - Files 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 10 32-bit
Windows 10 64-bit
2015-07-15 DOWNLOAD
Intel PRO/1000 LAN Adapter Software (Gigabit Ethernet Driver) for ThinkPad Windows 10 64-bit 2015-09-11 DOWNLOAD
Enabling Wake on LAN from Standby for ENERGY STAR Version 4.0 for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-07-08 DOWNLOAD
Intel PRO/1000 LAN Adapter Software (Gigabit Ethernet Driver) for ThinkPad Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-12-04 DOWNLOAD
DOWNLOAD
Intel PRO/1000 LAN Adapter Software for DOS - ThinkPad OS Independent 2013-09-30 DOWNLOAD
Intel Wireless LAN (11abgn, 11bgn, 11ac) for ThinkPad Windows 8 32-bit
Windows 8 64-bit
2014-09-19 DOWNLOAD
DOWNLOAD
Intel Wireless LAN (11abgn, 11bgn, 11ac) for Thinkpad Windows 8.1 32-bit
Windows 8.1 64-bit
2016-12-27 DOWNLOAD
DOWNLOAD
Intel Wireless LAN (11abgn, 11bgn, 11ac) for ThinkPad Windows 10 32-bit
Windows 10 64-bit
2017-04-14 DOWNLOAD
DOWNLOAD
ThinkPad Intel Wireless LAN (11abgn, 11bgn, 11ac) Windows 7 32-bit
Windows 7 64-bit
2017-05-19 DOWNLOAD
DOWNLOAD
ThinkPad T440, T440p, T440s Realtek Whipple Wireless LAN Driver Windows 10 64-bit
Windows 10 32-bit
2015-07-09 DOWNLOAD
ThinkPad Wireless LAN Adapter Software for ThinkPad Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-01-16 DOWNLOAD
Intel Wireless LAN (11abgn, 11bgn, 11ac) for ThinkPad Windows 8 32-bit
Windows 8 64-bit
2015-06-02 DOWNLOAD
DOWNLOAD
Thinkpad Wireless LAN (802.11b/g/n) Software Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
2013-09-29 DOWNLOAD
ThinkPad T440, T440p, T440s ThinkPad Wireless LAN (802.11b/g/n) Software Windows 8.1 64-bit 2014-08-14 DOWNLOAD
Sierra Wireless EM7345 Software for ThinkPad Windows 10 32-bit
Windows 10 64-bit
2017-05-30 DOWNLOAD
Sierra Wireless EM7345 Software for ThinkPad Windows 8 32-bit
Windows 8 64-bit
2017-05-30 DOWNLOAD
Sierra Wireless EM7345 Software for ThinkPad Windows 8.1 32-bit
Windows 8.1 64-bit
2017-05-30 DOWNLOAD
Ericsson N5321gw / H5321gw Mobile Broadband Driver for ThinkPads Windows 10 32-bit
Windows 10 64-bit
2015-07-29 DOWNLOAD
Ericsson H5321gw/C5621gw/N5321gw Mobile Broadband Firmware for ThinkPad Windows 7 32-bit
Windows 7 64-bit
2016-12-15 DOWNLOAD
Sierra Wireless EM7345 Software for ThinkPad Windows 7 32-bit
Windows 7 64-bit
2017-05-30 DOWNLOAD
Lenovo Mobile Broadband Activation for Notebook Windows 7 32-bit
Windows 7 64-bit
2016-04-06 DOWNLOAD
Sierra Wireless EM7355 - Gobi 5000 Software for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2016-03-28 DOWNLOAD
Ericsson N5321gw Mobile Broadband Driver for ThinkPad Windows 7 32-bit
Windows 7 64-bit
2015-06-09 DOWNLOAD
Ericsson N5321gw Mobile Broadband Driver for ThinkPad Windows 8 32-bit
Windows 8 64-bit
2013-03-28 DOWNLOAD
Ericsson N5321gw Mobile Broadband Driver for ThinkPad Windows 8.1 32-bit
Windows 8.1 64-bit
2015-04-23 DOWNLOAD
Ericsson H5321gw/C5621gw/N5321gw Mobile Broadband Firmware for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
2016-12-15 DOWNLOAD
Intel Collaborative Processor Performance Control (CPPC) Driver for ThinkPad Windows 10 32-bit
Windows 10 64-bit
2015-07-22 DOWNLOAD
Lenovo Power Management Driver for Laptop Windows 8.1 32-bit
Windows 8.1 64-bit
2017-07-07 DOWNLOAD
Lenovo Power Management Driver for Laptop Windows 10 32-bit
Windows 10 64-bit
2017-07-07 DOWNLOAD
Lenovo Power Management Driver for Laptop Windows 7 32-bit
Windows 7 64-bit
2017-07-07 DOWNLOAD
Lenovo Power Management Driver for Laptop Windows 8 32-bit
Windows 8 64-bit
2017-04-19 DOWNLOAD
Power Manager for Laptop Windows 7 32-bit
Windows 7 64-bit
2017-07-07 DOWNLOAD
Lenovo Hide Recovery Drive for Laptop Windows 10 32-bit
Windows 10 64-bit
2015-08-24 DOWNLOAD
ThinkPad T440, T440p, T440s Broadcom NFC Driver Windows 10 32-bit
Windows 10 64-bit
2015-09-07 DOWNLOAD
Lenovo Message Center Plus Uninstaller - ThinkPad and ThinkCentre Systems Windows 7 32-bit
Windows 7 64-bit
2017-07-07 DOWNLOAD
ThinkPad T440, T440p, T440s Broadcom NFC Driver Windows 7 32-bit
Windows 7 64-bit
2015-01-16 DOWNLOAD
Lenovo Reach for Windows 8.1 (32-bit,64-bit), 8 (32-bit,64-bit), 7 (32-bit,64-bit) 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
2015-06-08 DOWNLOAD
Maxthon driver Software for Laptop Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2014-07-22 DOWNLOAD
Hotkey Features Integration for ThinkPad Windows 10 32-bit
Windows 10 64-bit
2017-06-06 DOWNLOAD
Lenovo System Interface Foundation for ThinkPad, ThinkCentre, IdeaPad, IdeaCentre Windows 10 32-bit
Windows 10 64-bit
2017-07-07 DOWNLOAD
ThinkPad T440, T440p, T440s Broadcom NFC Driver Windows 8 64-bit 2015-01-20 DOWNLOAD
ThinkPad T440, T440p, T440s Broadcom NFC Driver Windows 10 64-bit
Windows 8.1 64-bit
2015-07-28 DOWNLOAD
Lenovo Dependency Package for Notebook Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
2014-08-14 DOWNLOAD
Lenovo QuickConnect NFC Utility for ThinkPad Windows 8.1 32-bit
Windows 8.1 64-bit
2014-03-18 DOWNLOAD
Auto Scroll Utility for ThinkPad Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 64-bit
Windows 7 32-bit
2017-05-15 DOWNLOAD
Lenovo QuickControl for Laptop Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-01-27 DOWNLOAD
DOWNLOAD
Lenovo Settings Dependency Package for Laptop Windows 8.1 64-bit
Windows 8.1 32-bit
Windows 8 32-bit
Windows 8 64-bit
2016-11-29 DOWNLOAD
Connect2 for Laptops, Desktops, Workstations Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-07-07 DOWNLOAD
ThinkPad T440, T440p, T440s Intel Smart Connect Technology (iSCT) 5.0 Windows 8.1 64-bit 2014-12-03 DOWNLOAD
ThinkPad T440, T440p, T440s Intel Smart Connect Technology (iSCT) 5.0 Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2014-12-03 DOWNLOAD
Hotkey Features Integration for ThinkPad Windows 7 32-bit
Windows 7 64-bit
2017-06-06 DOWNLOAD
Hotkey Features Integration for ThinkPad Windows 8 32-bit
Windows 8 64-bit
2017-06-06 DOWNLOAD
Hotkey Features Integration for ThinkPad Windows 8.1 32-bit
Windows 8.1 64-bit
2017-06-06 DOWNLOAD
Lenovo Hide Recovery Drive for Laptops Windows 10 32-bit
Windows 10 64-bit
2016-11-01 DOWNLOAD
Intel Rapid Storage Technology Driver for ThinkPad Windows 10 64-bit 2015-07-07 DOWNLOAD
2.5 inch SATA Hard Drive Firmware Update Tool for ThinkPad Windows 10 64-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2016-12-06 DOWNLOAD
Solid State Drive Firmware Update Utility (Bootable ISO) - ThinkPad T440, T440s, T431s, X1 Carbon (Type 34xx), X240 OS Independent 2013-03-26 DOWNLOAD
Drive Erase Utility for the Resetting the Cryptographic Key and the Erasing the Solid State Drive - ThinkPad DOS
EFI Shell
2015-12-30 DOWNLOAD
DOWNLOAD
Intel Rapid Storage Technology Driver for ThinkPad Windows 7 32-bit 2014-01-26 DOWNLOAD
Intel Rapid Storage Technology Driver for ThinkPad Windows 7 64-bit 2012-10-13 DOWNLOAD
Intel Rapid Storage Technology Driver for ThinkPad Windows 8 64-bit 2012-10-13 DOWNLOAD
Intel Rapid Storage Technology Driver for ThinkPad Windows 8.1 64-bit 2012-10-13 DOWNLOAD
Solid State Drive Firmware Update Utility for ThinkPad Windows 10 64-bit
Windows 8.1 64-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-05-11 DOWNLOAD
2.5 inch SATA Hard Drive Firmware Update Utility (Bootable CD ISO) - ThinkPad OS Independent 2016-10-26 DOWNLOAD
ThinkVantage Password Manager 4.7 for ThinkPad, ThinkCentre, ThinkStation Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2016-04-11 DOWNLOAD
Lenovo System Update for Notebook, ThinkCentre, ThinkStation Patch module Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
2015-05-28 DOWNLOAD
ThinkVantage System Update for Desktop, Notebook, Workstation Windows 10 32-bit
Windows 10 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 7 32-bit
Windows 7 64-bit
2017-07-07 DOWNLOAD
Lenovo Active Protection System for ThinkPad Windows 10 32-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for ThinkPad Windows 10 64-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for Laptop Windows 7 32-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for Laptop Windows 7 64-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for Laptop Windows 8 32-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for Laptop Windows 8 64-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for Laptop Windows 8.1 32-bit 2017-03-31 DOWNLOAD
Lenovo Active Protection System for ThinkPad Windows 8.1 64-bit 2017-03-31 DOWNLOAD
Lenovo Communications Utility Program for Notebook Windows 7 32-bit
Windows 7 64-bit
2017-05-25 DOWNLOAD
ThinkVantage Access Connections for Laptop Windows 7 32-bit
Windows 7 64-bit
2017-06-15 DOWNLOAD
ThinkPad USB 3.0 Ultra/Pro Dock Firmware Update Utility for ThinkPad Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 7 32-bit
Windows 7 64-bit
2015-07-31 DOWNLOAD
ThinkPad T440, T440s Intel USB 3.0 Driver Windows 7 32-bit
Windows 7 64-bit
2014-10-24 DOWNLOAD
  • I want thinkpad T440s all driver for windows 8.1