HP Spectre 13-af020nd User Manual page 44

When updating the system BIOS
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When writing information to a disc (select products only)
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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 screen brightness increases.
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The Power icon
When you disconnect external power:
The computer switches to battery power.
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The screen brightness automatically decreases to conserve battery charge.
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The Power icon
34 Chapter 6 Managing power
changes appearance.
changes appearance.