HP Pavillion 15-EC1001NA User Manual page 44

When running Disk Defragmenter on computers with internal hard drives
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When performing a backup or recovery
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When you connect the computer to external power:
The battery begins to charge.
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The Power icon
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When you disconnect external power:
The computer switches to battery power.
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The Power icon
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34 Chapter 6 Managing power
changes appearance.
changes appearance.