Caring for the Computer 7-3Taking Care of the ComputerLocation Guidelinesz Use the computer where the temperature is between 0 °C (32 °F) and 55°C (131 °F).z Avoid placing the computer in a location subject to high humidity,extreme temperatures, mechanical vibration, direct sunlight, or heavydust.z Keep the computer at least 13 cm (5 inches) away from electricalappliances that can generate a strong magnetic field such as a TV,refrigerator, motor, or a large audio speaker.z Do not move the computer abruptly from a cold to a warm place. Atemperature difference of more than 10 °C (18 °F) will causecondensation inside the unit, which may damage the storage media.z Do not place the computer on an unsteady surface.General Guidelinesz Do not place heavy objects on top of the computer as this maydamage the display.z The screen surface is easily scratched. Do not use paper towels toclean the display. Avoid touching it with a ballpoint pen or pencil.z To maximize the life of the backlight in the display, allow thebacklight to automatically turn off as a result of power management.Avoid using a screen saver or other software that prevents the powermanagement from working.