![](/images/new-backgrounds/1270311/27031161x1.webp)
Bottom
NOTE: Your computer may look slightly different from the illustration in this section.
Component |
| Description |
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(1) | Accessory battery connector | Connects an optional accessory battery. |
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(2) | Service cover | Provides access to the hard drive bay, the wireless LAN |
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| (WLAN) module slot, the WWAN module slot, and the |
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| 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 in |
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| your country or region. If you replace the module and |
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| then receive a warning message, remove the module to |
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| restore computer functionality, and then contact support |
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| through HP Support Assistant. To access HP Support |
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| Assistant on the Start screen, select the HP Support |
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| Assistant app. |
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(3) | Service cover release latch | Releases the service cover on the computer. |
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(4) | Service cover release lock | Locks service cover. |
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