HP ENVY m4-1100 HP ENVY m4 Notebook PC Maintenance and Service Guide - Page 21

Bottom, HP Triple Bass Reflex Subwoofer

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Bottom Item (1) (2) (3) (4) (5) (6) Component Battery bay Battery release latch HP Triple Bass Reflex Subwoofer Vents (4) Wireless module compartment cover Service cover Description Holds the battery. Releases the battery and the service cover. Provides superior bass sound. Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. The wireless module compartment cover provides access to the WLAN module and the RTC battery. 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. The service cover provides access to the optical drive, hard drive bay, and memory module compartment. Bottom 13

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Bottom
Item
Component
Description
(1)
Battery bay
Holds the battery.
(2)
Battery release latch
Releases the battery and the service cover.
(3)
HP Triple Bass Reflex Subwoofer
Provides superior bass sound.
(4)
Vents (4)
Enable airflow to cool internal components.
NOTE:
The computer fan starts up automatically to
cool internal components and prevent overheating. It is
normal for the internal fan to cycle on and off during
routine operation.
(5)
Wireless module compartment cover
The wireless module compartment cover provides
access to the WLAN module and the RTC battery.
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.
(6)
Service cover
The service cover provides access to the optical drive,
hard drive bay, and memory module compartment.
Bottom
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