Keep all food and drinks away from computer and equipment~liquid may spill and cause an electrical shock or the computer not to operate properly . no food or drink . Be careful when connecting cables to the computer system ,make sure the power is turned off and the computer is unplugged . This prevents accidental shock. dont plug nothing to the computer Never bang on the keys; always use a light touch on the keysboard. dont bang on keyboards; always use a light Turn off computer during electrical storm . Secure cords from traffic . Save documents to computer every 5 minutes . Never attempt to repair the computer while it is on. You might touch a part that conducts eletricity. Remove / Insert diskettes when disk drive light is OFF. Use equitpment covers to protect handware from dust . Maintain appropriate room temperature and humidity levels.