User Manual

Connect the computer to external AC power under any of the following conditions:
When charging or calibrating a battery
When installing or modifying system software
When writing information to a CD, a DVD, or a BD (select products only)
When running Disk Defragmenter
When performing a backup or recovery
When you connect the computer to external AC power, the following events occur:
The battery begins to charge.
If the computer is turned on, the power meter icon in taskbar changes appearance.
When you disconnect external AC power, the following events occur:
The computer switches to battery power.
The display brightness is automatically decreased to save battery life.
36 Chapter 6 Power management