Video .................................................................................................................................................. 49
Webcam ............................................................................................................................................. 51
Troubleshooting .................................................................................................................................. 52
A disc does not play ........................................................................................................... 54
Setting power options ......................................................................................................................... 58
Using power-saving states ................................................................................................. 58
Using the battery meter ..................................................................................................... 59
Using power plans ............................................................................................................. 60
Using external AC power .................................................................................................................... 61
Testing an AC adapter ....................................................................................................... 62
Using battery power ........................................................................................................................... 62
Identifying batteries ............................................................................................................ 63
Using Battery Check .......................................................................................................... 63
Charging a battery ............................................................................................................. 65
vii