9Chapter 1Getting StartedBattery Usage RelatedPlease charge the battery fully before using thecomputer for the first time.Keep the battery out of the reach of infantsand pets, as they could put the battery intotheir mouths.There is a danger of electric shock or choking.Use an authorized battery and AC adapteronly.Please use an authorized battery and adapterapproved by Samsung Electronics.Unauthorized batteries and adapters may notmeet the proper safety requirements and maycause problems or malfunctions and result inan explosion or fire.WarningFailure to follow instructions marked with this symbol maycause personal injury and even fatality.Safety PrecautionsDo not use the computer in a badlyventilated location such as on bedding, ona pillow or cushion, etc, and do not use it ina location such as a room with floor heatingas it may cause the computer to overheat.Take care that the computer vents (on the sideor the bottom) are not blocked especially inthese environments. If the vents are blocked,the computer may overheat and it may cause acomputer problem, or even an explosion.Do not use the computer in a humidlocation such as a bathroom or sauna.Please use the computer within therecommended temperature and humidityranges (10 - 32ºC (50 - 90ºF), 20 - 80% RH)Do not close the LCD panel and put thecomputer into your bag to move it when it isstill turned on.If you put the computer into your bag withoutturning it off, the computer may overheat andthere is a danger of fire. Shut the computerdown properly before moving it.