43Getting StartedSetting up your computerImportant information on your computer’s cooling fanYour computer may have a CPU cooling fan that cools theCPU by drawing outside air into the computer. The coolingfan may be located on the bottom of the computer.To prevent possible overheating of the CPU, make sure the airintake on the cooling fan is not blocked. The fan draws in airby creating a vacuum. If the fan is blocked, it could cause theCPU to run at a lower performance level or cause the computerto shut down. Loose items such as notebook and tissue paper,plastic wrappers, or other similar materials can block the airintake, preventing air from reaching the CPU. Do not use thecomputer on surfaces with objects that can be drawn in by thecooling fan.The cooling fan location will vary depending on the computer.Setting up your computerTECHNICAL NOTE: You must complete all setup steps up toand including “Setting up your software” on page 44 beforeadding external or internal components to your computer.These components include, but are not limited to, a mouse,keyboard, printer, memory, and PC Cards.Your computer contains a rechargeable main battery thatneeds to be charged before you can use it.To use external power or to charge the battery you mustattach the AC adapter. See “Connecting to a power source”on page 46.To register your computer online or to sign up for an Internetaccount, you must either establish a Local Area NetworkNOTE