Bottom components
Item | Component | Function |
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(1) | Battery release latches (2) | Release the battery from the battery bay. |
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(2) | Battery bay | Holds the battery. |
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(3) | Vents (6) | Enable airflow to cool internal components. |
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| NOTE: The computer fan starts up automatically to cool |
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| internal components and prevent overheating. It is normal |
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| for the internal fan to cycle on and off during routine |
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| operation. |
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(4) | Memory module compartment | Contains the memory module slots. |
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(5) | WLAN module compartment (select models only) | Contains a WLAN module slot. |
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| NOTE: To prevent an unresponsive system, replace the |
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| wireless module only with a wireless module authorized for |
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| use in the computer by the governmental agency that |
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| regulates wireless devices in your country or region. If you |
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| replace the module and then receive a warning message, |
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| remove the module to restore computer functionality, and |
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| then contact technical support through Help and Support. |
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(6) | Hard drive bay | Holds the hard drive. |
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12 Chapter 2 External component identification
