Component |
| Description |
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(9) | Service door | Provides access to the hard drive bay, the wireless |
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| LAN (WLAN) module slot, the WWAN module slot, and |
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| the memory module slots. |
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| CAUTION: To prevent an unresponsive system, |
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| replace the wireless module only with a wireless |
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| module authorized for use in the computer by the |
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| governmental agency that regulates wireless devices |
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| in your country or region. If you replace the module |
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| and then receive a warning message, remove the |
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| module to restore computer functionality, and then |
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| contact support through Help and Support. |
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(10) | Accessory battery connector | Connects an optional accessory battery. |
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