7-4 Caring for the ComputerTaking Care of the ComputerLocation Guidelinesz For optimal performance, use the computer where the recommendedtemperature is between 0 °C (32 °F) and 45 °C (113 °F). Select modelssupport -15 °C (5 °F) low temperature.z Avoid placing the computer in a location subject to high humidity,extreme temperatures, mechanical vibration, direct sunlight, or heavydust. Operating in an environment with metallic dust is not allowed.z Do not cover or block any ventilation openings on the computer. Forexample, do not place the computer on a bed, sofa, rug, or other similarsurface. Otherwise, overheating may occur that results in damage to thecomputer.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 Avoid moving the computer abruptly from a cold to a warm place. Atemperature difference of more than 10 °C (18 °F) may 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 when it is closed asthis may damage the display.z The screen surface is easily scratched. Do not use paper towels to cleanthe display but use the included soft cloth. Avoid touching it with yourfingers, pen, or pencil.z To maximize the life of the backlight in the display, allow the backlightto automatically turn off as a result of power management. Avoid using
