User manual SONY VAIO VPCCB17FX

[. . . ] For example, <Fn+F11> means that you should press the Fn key and hold it and then press the F11 key. If you are new to using computers, see "Glossary". The "Glossary" explains general computing terms that are used in this manual and tells you about some of the differences between notebook computers and desktop computers. Using Your Documentation 1 Using the Software User Documentation Your computer shipped from the factory with several software programs installed. The software may include its own online or printed documentation. [. . . ] Load Setup Defaults: Loads the default values for all System Setup parameters. When you select this option and press <Enter>, a message appears asking if you want to load the default configuration. Choose Yes and press <Enter> to load default settings and remain in System Setup. Choos No and press <Enter> to retain your changes and remain in System Setup. Smart Battery Calibration: Enables you to discharge the system battery completely for a more accurate battery level detection. This option only works with the smart battery if the AC Adapter is not plugged in. Using System Setup 59 Using System Security This section describes the security options provided with your computer. System Passwords The computer provides two levels of password security: administrative-level (supervisor) and user-level (user). Either password prevents unauthorized acces to the computer. The supervisor password enables full access to all System Setup fields. The user password enables full access to only the Set User Password and Password on boot security fields and read access to all other System Setup fields. (See "Security Menu" on page 55 for a complete list of System Setup security fields. ) If multiple users have access to the computer (such as in a network environment), a supervisor password can prevent unauthorized access to certain security options. Choose the type of password security that is appropriate for your work. A message appears telling you that the changes have been saved. Press <Enter> again to return to the Security menu. Press <Esc> to go to the Exit menu. Select Exit Saving Changes, press <Enter>, and press <Enter> again to restart the computer. Using System Security 61 Requiring a Boot Password After you create a supervisor or user password, you can enable the computer to prompt for a password each time it starts. To enable the prompt, select the option Enabled in the Password on boot field in System Setup. For more information about the Password on boot field, see "Security Menu" on page 55. Locking the Hard Drive Boot Sector If you have an supervisor password, you can lock the hard drive boot sector to protect against viruses or alterations To lock the hard drive boot sector, select the option Write protect in the Fixed disk boot sector field in System Setup. For more information about the Fixed disk boot sector field, see "Security Menu" on page 55. Locking the Keyboard The keyboard lock enables you to protect your system when you walk away from it for a time. To use the keyboard lock, you must first enable a password through System Setup. (See "Creating a Password" on page 60 for instructions. To lock your keyboard, press <Fn+F7>. To unlock your keyboard, type your password and press <Enter>. 62 Using System Security Using Power Management Options Your computer includes power-management options that can help the battery charge last longer and extend the life of the battery, LCD panel, and other components. Power-management options slow down or shut off system components when the components are not being used. [. . . ] Le présent appareil n'émet pas de bruits radioélectriques dépassant les limites applicable aux appareils de la classe B prescrites par le règlement de brouillage radioélectrique dicté par le Ministère des Communictions du Canada. CAUTION The laser beam used by this CD-ROM drive unit can be harmful to the eyes. All service procedures should be performed by an authorized dealer or distributor. WARNING Never use any optical instruments in conjunction with this unit. [. . . ]