Bottom components
Item | Component | Function |
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(1) | Speaker | Produces computer sound. |
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(2) | Memory module/WLAN module compartment | Contains a memory module slot and a WLAN module slot. |
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| CAUTION: To prevent an unresponsive system, replace |
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| the wireless module only with a wireless module authorized |
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| for 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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(3) | Hard drive bay | Holds the hard drive. |
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(4) | 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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(5) | Battery release latches (2) | Release the battery from the battery bay. |
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(6) | Battery bay | Holds the battery. |
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(7) | SIM slot | Contains a subscriber identity module (SIM). The SIM slot is |
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| located inside the battery bay. |
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(8) | WWAN module compartment | Contains a WWAN module slot. |
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| CAUTION: To prevent an unresponsive system, replace |
the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support.
