HP ELITE X3, Руководство пользователя, Страница: 46 / 57

Connect the device to external AC power under any of the following conditions:
●
When charging the battery
●
When installing or modifying system software
●
When performing a backup or recovery
When you connect the device to external AC power, the following events occur:
●
The battery begins to charge.
●
The device turns on.
●
The power meter icon in the status area changes appearance.
When you disconnect external AC power, the following events occur:
●
The device switches to battery power.
●
The power meter icon in the status area changes appearance.
Testing an AC adapter
Test the AC adapter if the device does not turn on when it is connected to AC power.
To test the AC adapter:
1. Connect the AC adapter to the device, and then plug it into an AC outlet.
2. Monitor the device for one of the following statuses:
●
If the power status light turns on, the AC adapter is working properly.
●
If the device turns on, the AC adapter is working properly.
●
If the power light remains off and the device remains off, the AC adapter is not functioning and
should be replaced.
Contact support for information on obtaining a replacement AC power adapter.
40 Chapter 12 Power management