Lenovo T431s, 20AA000BUS Installing the Windows 7 operating system, Country or region Code

Models: 20AA T431s 20AA000MUS 20AA000BUS

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After the operating system installation, you should not change the initial UEFI/Legacy Boot setting in ThinkPad Setup. The UEFI/Legacy Boot setting must be the same as it was when the Windows operating system image was installed. Otherwise, the operating system will not boot properly.

For the country or region code required in the installation, use one of the following:

Country or region: Code

China: SC

Denmark: DK

Finland: FI

France: FR

Germany: GR

Italy: IT

Japan: JP

Netherlands: NL

Norway: NO

Spain: SP

Sweden: SV

Taiwan and Hong Kong: TC

United States: US

Installing the Windows 7 operating system

Before you start, print these instructions.

To install the Windows 7 operating system and its related software on your computer, do the following:

1.Start ThinkPad Setup.

2.Select Startup.

3.Select UEFI/Legacy Boot.

4.Do one of the following:

If you want to install the Windows 7 (32–bit) operating system, select Legacy Only or Both.

If you want to install the Windows 7 (64–bit) operating system in Legacy mode, select Legacy Only.

If you want to install the Windows 7 (64–bit) operating system in UEFI mode, select UEFI Only.

5.Press F10.

6.Insert the Windows 7 operating system installation DVD into the DVD drive, and restart the computer.

7.Restore C:\SWTOOLS from the backup copy you made before starting the installation.

8.Install the Intel Chipset Support for Windows 2000/XP/Vista/7/8. To do this, run the Setup.exe file in the C:\SWTOOLS\DRIVERS\INTELINF\infinst_autol directory.

9.Install device drivers. See “Installing other drivers and software (for Windows 7)” on page 92.

Installing the registry patches for Windows 7

Go to http://www.lenovo.com/support and install the following registry patches:

Registry patch enabling Wake Up on LAN from Standby for Energy Star

Fix for Issue of HDD with HD Detection

Installing the Windows 7 fix modules

The Windows 7 fix modules are in the following directory:

C:\SWTOOLS\OSFIXES

90User Guide

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Lenovo T431s, 20AA000BUS Installing the Windows 7 operating system, Country or region Code, Select UEFI/Legacy Boot

20AA, T431s, 20AA000MUS, 20AA000BUS specifications

The Lenovo ThinkPad series has long been a favorite among business professionals and tech enthusiasts alike, and the Lenovo 20AA000BUS, 20AA000MUS, and T431s models exemplify the brand's commitment to innovation, performance, and rugged design. These laptops are designed for enterprise users who require reliability and versatility in their everyday tasks.

The Lenovo 20AA000BUS model features a robust Intel Core processor that ensures smooth multitasking and quick application launches. Paired with a generous amount of RAM, users can easily run demanding applications and simultaneously manage numerous browser tabs without a hitch. The full HD display provides sharp visuals and vibrant colors which enhance productivity, whether one is working on spreadsheets, watching videos, or conducting presentations.

In terms of connectivity, these models boast several USB ports, HDMI output, and an SD card reader, which facilitate seamless integration with various peripherals and external devices. With the inclusion of robust wireless options, including Wi-Fi and Bluetooth, users can stay connected throughout their workspaces and collaborate effortlessly with coworkers.

Security features are a priority for Lenovo, and the 20AA000MUS model does not disappoint. Built with a fingerprint reader and a webcam privacy shutter, users can feel confident in their data safety. Lenovo's Trusted Platform Module (TPM) technology further enhances system security by encrypting sensitive data.

The T431s, a prominent model in this lineup, prides itself on its sleek and lightweight design, making it easily portable for professionals on the go. The carbon fiber and magnesium alloy chassis not only lends to its durability but also ensures that it withstands the rigors of daily travel.

Battery life is another highlight of these models, capable of lasting through an entire workday, which is a significant advantage for users who often find themselves away from power sources. The Quick Charge feature allows for rapid recharging, ensuring that users can quickly power up their devices before heading into meetings or events.

Overall, the Lenovo 20AA000BUS, 20AA000MUS, and T431s represent a blend of advanced technology, user-centric design, and robust security features. They stand out as reliable companions for professionals seeking efficiency and performance in their computing devices. Whether in the office or on the move, these laptops meet the demanding needs of the modern workforce.