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Using Your VAIO Computer > Using Fingerprint Authentication n 81 N ! Place your fingertip flat in the center of the fingerprint sensor. Scan your fingerprint from the top joint of the finger to the fingertip. Keep your finger in contact with the fingerprint sensor while swiping. Fingerprint registration may fail if you move your finger too quickly or too slowly. Let the fingerprint sensor take about one second to scan your fingerprint. You may not be able to register and/or have your fingerprint(s) recognized if your finger is too dry or wet, wrinkled, injured, dirty, etc. Register more than one fingerprint in case that the fingerprint sensor fails to recognize the fingerprint. Be sure to clean your fingertip(s) and the fingerprint sensor before swiping in order to keep good recognition performance. You can register only the limited number of fingerprints for logging onto your system using the Power-on Security feature (page 82). The maximum number of fingerprints you can register varies depending on the data amount of each fingerprint. You can also select the fingerprint you want to use for the Power-on Security feature later. Using Your VAIO Computer > Using Fingerprint Authentication n 82 N Logging Onto Your System To use the fingerprint authentication function in place of a password entry to log onto your system, you need to set the power- on and Windows passwords and configure your computer for fingerprint authentication. For setting the power-on and Windows passwords, see Setting the Password (page 132). For detailed information, see the help file included with the Protector Suite. Logging onto Windows If you have registered your fingerprints for your user account, you can substitute fingerprint authentication for Windows password entry. To log onto Windows, swipe the registered finger across the fingerprint sensor when the Windows log-on screen appears. Power-on Security feature If you have set the power-on password (page 133), you can substitute fingerprint authentication for password entry when starting your computer. Using Your VAIO Computer > Using Fingerprint Authentication n 83 N Erasing the Registered Fingerprints Before disposing of your computer or transferring it to a third person, it is strongly recommended you erase the fingerprint data registered on the fingerprint sensor after erasing the data stored on your built-in storage device. To erase the registered fingerprints 1 Turn on the computer. 2 Press the F2 key when the VAIO logo appears. The BIOS setup screen appears. If the screen does not appear, restart the computer and press the F2 key several times when the VAIO logo appears. 3 Press the < or , key to select Security to display the Security tab. 4 Press the m key to select Clear Fingerprint Data and press the Enter key. 5 At the confirmation prompt, select Continue and press the Enter key. The fingerprint data registered on the fingerprint sensor is erased automatically after your system restarts. Using Your VAIO Computer > Using the TPM n 84 N Using the TPM The Trusted Platform Module (TPM) may be embedded in your computer to provide basic security functions. In combination with the TPM, you can encrypt and decrypt your data to strengthen computer security against inappropriate access. Some features and options in this section may not be available on your computer. See the specifications to find out about the configuration of your computer. TPMs are defined by Trusted Computing Group (TCG) and also called security chips. Using Your VAIO Computer > Using the TPM n 85 N Important Notice Notes on encrypting the operating system or program files Encrypting files used by your operating system or any software application, using the Encrypting File System (EFS) with the TPM, will disable you to launch or operate such software. To avoid such problems, observe the following before using the EFS: . Be sure to save data you want to encrypt to the following destinations: . The Encrypted Data folder created with the default settings in the user initialization process . A new encrypted folder created in the My Documents folder or the Documents folder on your account . The Personal Secure Drive . The Personal Secure Drive is a virtual drive that is created by using the Personal Secure Drive feature and automatically encrypts data that is saved to it. . Do not change the following settings on the View tab in the Folder Options window displayed by clicking Folder and search options from Organize in the menu of Windows Explorer. . Don't show hidden files, folders, or drives . Hide protected operating system files (Recommended) . Do not change the system attributes of the files, unless necessary. . Do not encrypt the Windows folder, the Program Files folder, and all files in each folder. . Do not encrypt the Users folder and all account folders in it. Using Your VAIO Computer > Using the TPM n 86 N Notes on encrypting key files or files on the Personal Secure Drive Encrypting files created in the f...
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