![](/images/new-backgrounds/1259918/25991845x1.webp)
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Component |
| Description |
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(1) | Battery bay | Holds the battery. |
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(2) | Vents (5) | Enable airflow to cool internal components. |
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| NOTE: The computer fan starts up automatically to |
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| cool internal components and prevent overheating. It |
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| is normal for the internal fan to cycle on and off during |
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| routine operation. |
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(3) | Battery release latch | Releases the battery from the battery bay. |
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(4) | Service door | Provides access to the hard drive bay, the wireless |
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| LAN (WLAN) module slot, and the memory module |
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| slots. |
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 support through Help and Support. From the Start screen, type h, and then select Help and Support.
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