14 When Using Your Computerw w w . d e l l . c o m | s u p p o r t . d e l l . c o m• Clean the display with a soft, clean cloth and water. Apply the water to the cloth; thenstroke the cloth across the display in one direction, moving from the top of the display tothe bottom. Remove moisture from the display quickly and keep the display dry. Long-term exposure to moisture can damage the display. Do not use a commercial windowcleaner to clean your display.• If your computer gets wet or is damaged, follow the procedures described in "If YourComputer Gets Wet" on page 89 or "If You Drop or Damage Your Computer" on page 90.If, after following these procedures, you confirm that your computer is not operatingproperly, contact Dell (see "Contacting Dell" on page 127 for the appropriate contactinformation).Ergonomic Computing HabitsCAUTION: Improper or prolonged keyboard use may result in injury.CAUTION: Viewing the display or external monitor screen for extended periods oftime may result in eye strain.For comfort and efficiency, observe the ergonomic guidelines in the Dell Inspiron Help filewhen setting up and using your computer. To access help, see "Finding Information for YourComputer" on page 17.This portable computer is not designed for continuous operation as office equipment. Forextended use in an office, it is recommended that you connect an external keyboard.When Working Inside Your ComputerBefore removing or installing memory modules, Mini PCI cards, or modems, perform thefollowing steps in the sequence indicated.NOTICE: The only time you should ever access the inside of your computer is when you areinstalling memory modules, a Mini PCI card, or a modem.When Using Your Computer(continued)