Toshiba Satellite L505 User Guide - Page 94

94 Learning the Basics Using the keyboard ❖ Use Error-checking and Disk Defragmenter regularly to check and optimize 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. ❖ Do not 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 Shut Down command or Sleep command. See "Using and configuring Sleep mode" on page 87 to learn more about Sleep. NOTE The Windows® operating system records information, such as your desktop setup, during its shutdown procedure. If you do not let the Windows® 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. (Sample Illustration) Keyboard Character keys Typing with the character keys is very much like typing on a typewriter, except that: ❖ The space bar creates a space character instead of just passing over an area of the page.