Lenovo Q100 Q100 Safety Warranty Guide V1.0 - Page 46

• Do not operate your computer or charge the battery near flammable materials or in explosive environments. • Ventilation slots, fans and/or heat sinks are provided with the product for safety, comfort, and reliable operation. These features might inadvertently become blocked by placing the product on a bed, sofa, carpet, or other flexible surface. Never block, cover, or disable these features. You should inspect your desktop computer for dust accumulation at least once every three months. Before inspecting your computer, turn off the power and unplug the computer's power cord from the electrical outlet; then remove any dust from vents and perforations in the bezel. If you notice external dust accumulation, you should also examine and remove dust from the inside of the computer including heat sink inlet fins, power supply vents, and fans. Always turn off and unplug the computer before opening the cover. If possible, avoid operating your computer within 2 feet of high-traffic areas. If you must operate your computer in or near a hightraffic area, you should inspect and, if necessary, clean your computer more frequently. For your safety and to maintain optimum computer performance, always follow these basic precautions with your desktop computer: • Keep the cover closed whenever the computer is plugged in. • Regularly inspect the outside of the computer for dust accumulation. • Remove dust from vents and any perforations in the bezel. More frequent cleanings might be required for computers in dusty or high-traffic areas. • Do not restrict or block any ventilation openings. • Do not store or operate your computer inside furniture, as this might increase the risk of overheating. • Airflow temperatures into the computer should not exceed 35˚C (95˚F). • Do not use non-desktop air filtration devices. Operating environment The optimal environment in which to use your computer is 10°C-35°C (50°F-95°F) with humidity ranging between 35% and 80%. If your computer is stored or transported in temperatures less than 10°C (50°F), allow the cold computer to rise slowly to an optimal operating temperatures of 10°C-35°C (50°F-95°F) befiore use. This process could take two hours in extreme conditions. Failure to allow your computer to rise to an optimal operating temperature before use could result in irrearable damage to your computer. If possible, place your compter in a well-ventilated and dry area witout direct exposure to sunshine. Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from your computer because the strong magnetic fields generated by these appliances can damage the monitor and data on the hard disk drive. Do not place any beverages on top of or beside the computer or other attached devices. If liquid is spilled on or in the computer or an attached device, a short circuit or other damage might occur. Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage. CD and DVD drive safety CD and DVD drives spin discs at a high speed. If a CD or DVD is cracked or otherwise physically damaged, it 6 Safety and warranty guide