Item | Component | Function |
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(5) | Power light | ● On: The computer is on. |
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| ● Blinking: The computer is in the Sleep state (Windows |
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| Vista) or Standby (Windows XP). |
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| ● Off: The computer is off or in Hibernation. |
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(6) | Speaker | Produces sound. |
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Item | Component | Function |
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(1) | esc key | Displays system information when pressed in combination |
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| with the fn key. |
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(2) | fn key | Executes frequently used system functions when pressed |
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| in combination with a function key or the esc key. |
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(3) | Windows logo key | Displays the Windows Start menu. |
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(4) | Windows applications key | Displays a shortcut menu for items beneath the pointer. |
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(5) | Embedded numeric keypad keys | Can be used like the keys on an external numeric keypad. |
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(6) | Function keys | Execute frequently used system functions when pressed |
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| in combination with the fn key. |
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8 Chapter 2 External component identification