In MS Windows based systems, If you simply turn off your computer while Windows or other programs are running, you can cause harm (Damage) to your system and Hard Disk.
1. Remove any disks from the diskette and. CD-ROM drive, and make sure that all data is saved and all running programs are closed.
2. Using your mouse pointer, click the Start button, which is located on the taskbar. The Start menu will appear. On the Start menu, click Shut Down or Log Off. The Shut Down Windows dialog box will appear.
3. In the Shut Down Windows dialog box, select the Shut Down or Log Off option; then click the OK button.