• 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 orWindows Vista, or search for “Microsoft Windows BitLocker Drive Encryption Step-by-Step Guide” onMicrosoft web site.Disk Encryption hard disk drive and Encryption solid state driveSome models contain the Disk Encryption hard disk drive or Encryption solid state drive. This featurehelps to protect your computer against security attacks on media, NAND flash or device controllers by useof a hardware encryption chip. For the efficient use of the encryption feature, be sure to set a hard diskpassword for the internal storage device.Setting the security chipStrict security requirements are imposed on network client computers that transfer confidential informationelectronically. 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 communicationsSetting the Security ChipThe choices offered in the Security Chip submenu under the Security menu of the ThinkPad Setup areas 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 canchange 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 youset 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.104 User Guide
