•For Windows Vista: Click Start ➙ Control Panel ➙ Security ➙ BitLocker Drive Encryption.

For details about Windows BitLocker Drive Encryption, go to the Help and Support for Windows 7 or Windows Vista, or search for “Microsoft Windows BitLocker Drive Encryption Step-by-Step Guide” on Microsoft web site.

Disk Encryption hard disk drive and Encryption solid state drive

Some models contain the Disk Encryption hard disk drive or Encryption solid state drive. This feature helps to protect your computer against security attacks on media, NAND flash or device controllers by use of a hardware encryption chip. For the efficient use of the encryption feature, be sure to set a hard disk password for the internal storage device.

Setting the security chip

Strict security requirements are imposed on network client computers that transfer confidential information electronically. Depending on the options you ordered, your computer might have an embedded security chip, a cryptographic microprocessor. With the security chip and Client Security Solution, you can do the following:

•Protect your data and system

•Strengthen access controls

•Secure communications

Setting the Security Chip

The choices offered in the Security Chip submenu under the Security menu of the ThinkPad Setup are as follows:

•Security Chip: activate, inactivate, or disable the Security Chip.

•Security Reporting Options: enable or disable each Security Reporting Option.

•Clear Security Chip: clear the encryption key.

Notes:

1.Be sure that the Supervisor password has been set in the ThinkPad Setup. Otherwise anyone can change the settings for the Security Chip.

2.If you are using Client Security Solution, handle the Security Chip as follows:

•Do not clear the Security Chip. If you do, the functions assigned to the keys will be erased.

•Do not disable the Security Chip. If you do, Client Security Solution will not work.

3.If the Security Chip is removed or replaced, or a new one has been added, the computer will not start. You will hear 4 cycles of 4 beeps each, or you see error message 0176 or 0192.

4.If the Security Chip is inactive or disabled, Clear Security Chip will not be displayed.

5.When you clear the Security chip, be sure to turn your computer off and then turn it on again after you set the Security chip to Active. Otherwise, the choice of Clear Security Chip is not displayed.

To set an item in the Security Chip submenu:

•Print these instructions. To set the Security Chip, you must turn your computer off and then on again.

•Save all open files, and exit all applications.

•Turn your computer off and then turn it on again.

•When the logo screen is displayed, press F1. The ThinkPad Setup opens.

•Using the cursor keys, move to Security. The Security menu opens.

•Using the cursor keys, move to Security Chip, and press Enter. The Security Chip submenu opens.

104User Guide

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Lenovo 4242X04, NVS-4200M, 42825BU, 42421A0 manual Setting the security chip, Setting the Security Chip
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4242X04, NVS-4200M, 42421A0, 42825BU specifications

Lenovo offers a diverse range of products tailored to meet the needs of professionals and consumers alike. Among them, models such as the Lenovo 42825BU, 42421A0, and 4242X04 stand out with impressive specifications that cater to various use cases.

The Lenovo 42825BU is an excellent choice for those seeking a dependable laptop for general productivity tasks. Powered by the latest generation Intel Core processor, it ensures smooth performance whether you're working on spreadsheets, attending virtual meetings, or browsing the web. One of its standout features is the high-resolution display that delivers vivid colors and sharp images, making it perfect for graphic design work or watching videos. Furthermore, the device includes ample RAM, allowing for multitasking without lag and enhancing overall efficiency.

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In summary, the Lenovo 42825BU, 42421A0, and 4242X04 laptops are designed to meet the demands of a diverse user base. With powerful processing capabilities, impressive graphics performance, and features designed for portability and durability, these models are well-suited for both professional and personal use.
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