Connect the tablet to external AC power under any of the following conditions:
●When charging a battery
●When installing or modifying system software
●When running Disk Defragmenter
●When performing a backup or recovery
When you connect the tablet to external AC power, the following events occur:
●The battery begins to charge.
●If the tablet is turned on, the power meter icon in the notification area changes appearance. When you disconnect external AC power, the following events occur:
●The tablet switches to battery power.
●The display brightness is automatically decreased to save battery life.
30 Chapter 6 Power management