Using external AC power .................................................................................................................... 17
Using battery power ........................................................................................................................... 18
Shutting down the computer ............................................................................................................... 24
5 Internet ........................................................................................................................................................... 25
vi
Using Battery Check .......................................................................................................... 19
Charging a battery ............................................................................................................. 19
Hibernation ....................................................................................... 21
Calibrating a battery ........................................................................................................... 21
Conserving battery power .................................................................................................. 23
Using wireless devices ...................................................................................................... 26
Using a WLAN ................................................................................................................... 28
Setting up a WLAN ............................................................................................ 29
Protecting your WLAN ....................................................................................... 29
Connecting to a WLAN ...................................................................................... 30
Inserting a SIM ................................................................................................................... 32
Removing a SIM ................................................................................................................ 33