User manual TOSHIBA SATELLITE U400

[. . . ] If you fail to do so, this product may not function properly and you may lose data or suffer other damage. TOSHIBA AMERICA INFORMATION SYSTEMS ("TOSHIBA"), ITS AFFILIATES AND SUPPLIERS DO NOT WARRANT THAT OPERATION OF THE PRODUCT WILL BE UNINTERRUPTED OR ERROR FREE. YOU AGREE THAT TOSHIBA, ITS AFFILIATES AND SUPPLIERS SHALL HAVE NO RESPONSIBILITY FOR DAMAGE TO OR LOSS OF ANY BUSINESS, PROFITS, PROGRAMS, DATA OR REMOVABLE STORAGE MEDIA ARISING OUT OF OR RESULTING FROM THE USE OF THE PRODUCT, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. Protection of Stored Data For your important data, please make periodic back-up copies of all the data stored on the hard disk or other storage devices as a precaution against possible failures, alteration, or loss of the data. IF YOUR DATA IS ALTERED OR LOST DUE TO ANY TROUBLE, FAILURE OR MALFUNCTION OF THE HARD DISK DRIVE OR OTHER STORAGE DEVICES AND THE DATA CANNOT BE RECOVERED, TOSHIBA SHALL NOT BE LIABLE FOR ANY DAMAGE OR LOSS OF DATA, OR ANY OTHER DAMAGE RESULTING THEREFROM. [. . . ] If the DC-IN or AC powerlight indicator does not glow, power is not being supplied. Check the connections for the AC adapter and power cord. 4 Mobile Computing Disposing of used batteries safely 127 5 Charge the battery pack until the main battery light glows green. If you have extra battery packs, rotate their use. If you will not be using the system for an extended period, more than one month, remove the battery pack. If you are not going to use the computer for more than eight hours, disconnect the AC adapter. Store spare battery packs in a cool dry place out of direct sunlight. Disposing of used batteries safely The life of a battery pack should last for years. When the battery pack needs replacing, the main battery light flashes amber shortly after you have fully recharged the battery. The computer's main battery is a Lithium Ion (Li-Ion) battery, which can explode if not properly replaced, used, handled, or disposed of. Putting spent batteries in the trash is not only irresponsible, it may be illegal. Dispose of the battery as required by local ordinances or regulations. Use only batteries recommended by Toshiba. After repeated use, the batteries will finally lose their ability to hold a charge and you will need to replace them. Under federal, state and local laws, it may be illegal to dispose of old batteries by placing them in the trash. 128 Mobile Computing Traveling tips Please be kind to our shared environment. To activate a specific task, double-click the appropriate system tray icon. Windows® XP file system All files on your computer are organized for accessibility using a hierarchal file system. These files can be grouped together in folders, and folders can be grouped inside other folders for convenient organizing. All Getting to Know the Windows ® XP Operating System Lesson 2: Using the TouchPad and control buttons together 133 the files and folders reside in your computer on a storage device, such as a disk drive. You can think of your computer storage system in terms of office equipment. You have a file cabinet (device), that contains folders, and each folder may contain documents. Your office may have more than one file cabinet, just as your computer may have more than one disk drive. Computers can be connected together to form a network, so that programs, documents and other data can be quickly and easily shared between computers. You can use the My Computer feature on the Start menu to access any file in the Windows® file system. For more information, read the Microsoft documentation that comes with your computer. Lesson 2: Using the TouchPad and control buttons together The "Getting Started" chapter introduced you to the TouchPad, which is your basic tool for moving around the screen. This lesson lets you practice using the TouchPad and control buttons in tandem. 1 Using the TouchPad, move the pointer to the Start button, then click the primary button (usually the left) to open the Start menu. [. . . ] port -- A socket on the computer where you plug in a cable for connection to a network or a peripheral device. The general classes of programs (also called software) are operating system, application, and utility. For example, the properties of a file include the file's type, size, and creation date. R RAM (random access memory) -- Volatile memory that can be written to as well as read. By volatile, we mean that information in RAM is lost when you turn off your computer. [. . . ]