Toshiba Tecra 9100 User Guide - Page 80

80 Learning the Basics Using the keyboard It's easy to put off backing up because it takes time. However, if your hard disk suddenly fails, you will lose all the data on it unless you have a separate backup copy. ❖ Use Error-checking and Disk Defragmenter regularly to conserve disk space and improve performance. ❖ Scan all new files for viruses. This precaution is especially important for files you receive via diskette, email, or download from the Internet. ❖ Take frequent breaks to avoid repetitive-motion injuries and eyestrain. ❖ Don't turn off the computer if a drive indicator light indicates a drive is active. Turning off the computer while it is reading from or writing to a disk may damage the disk, the drive, or both. ❖ Before turning off the computer, use the Turn Off Computer command or Standby command. See "Powering down the computer" on page 103 to learn more about Standby. NOTE: The Windows® XP Professional operating system records information, such as your desktop setup, during its shutdown procedure. If you don't let the Windows® XP Professional operating system shut down normally, details such as new icon positions may be lost. Using the keyboard Your computer's keyboard contains character keys, control keys, function keys, and special Windows® keys, providing all the functionality of a full-size keyboard.