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