a.In the Enter Current Password field, type the current supervisor password and press Enter.

b.In the Enter New Password field, type the new supervisor password; then retype the password you just entered to verify it in the Confirm New Password field. Press Enter.

•To remove a password, do the following:

a.In the Enter Current Password field, type the current supervisor password and press Enter.

b.Leave the Enter New Password and Confirm New Password fields blank. Press Enter.

Attention: You might want to note down your password and keep it in a safe place. If you forget your supervisor password, Lenovo cannot reset your password. You must take your computer to a Lenovo reseller or a Lenovo marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service.

9.In the Setup Notice window that is displayed, press Enter to continue.

10.Press F10. The Setup Confirmation window opens. Select Yes to save configuration changes and exit.

The next time you open the ThinkPad Setup program, you will be prompted to type your password to proceed.

Hard disk security

To protect passwords from unauthorized security attacks, several of the latest technologies and algorithms are integrated into UEFI BIOS and hardware design of ThinkPad notebook computers.

To maximize security, do the following:

•Set a power-on password as well as a hard disk password for your internal solid-state drive or hard disk drive. Refer to the procedures in “Power-on password” on page 40 and “Hard disk passwords” on page 40. For security, a longer password is recommended.

•To provide reliable security for UEFI BIOS, use the security chip and a security program with a Trusted Platform Module (TPM) management feature. Refer to “Setting the security chip” on page 45.

Note: The Microsoft Windows 7 and Windows 8 operating system supports the TPM management feature.

•If a hard disk drive or solid-state drive with encryption technology is installed in your computer, ensure that you protect the contents of your computer memory from unauthorized access by use of drive encryption software, such as Microsoft Windows BitLocker® Drive Encryption, which is supported in the Ultimate and Enterprise editions of the Windows 7 operating system and Professional and Enterprise editions of the Windows 8 operating system. See “Using Windows BitLocker Drive Encryption” on page 44.

•Before you dispose of, sell, or hand over your computer, ensure that you to delete data stored on it. Refer to “Notice on deleting data from your hard disk drive or solid-state drive” on page 48.

Note: The hard disk drive built into your computer can be protected by UEFI BIOS.

Using Windows BitLocker Drive Encryption

To help protect your computer against unauthorized access, ensure that you to use drive encryption software, such as Windows BitLocker Drive Encryption.

Windows BitLocker Drive Encryption is an integral security feature of the Windows 7 and Windows 8 operating systems. It is supported in the Ultimate and Enterprise editions of the Windows 7 and Professional and Enterprise editions of the Windows 8 operating system.

BitLocker uses a Trusted Platform Module to provide enhanced protection for your data and to ensure early boot component integrity. A compatible TPM is defined as a V1.2 TPM.

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Lenovo T431s, 20AA000BUS, 20AA000MUS manual Hard disk security, Using Windows BitLocker Drive Encryption
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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.
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