HP Pavilion dv4-2100 Notebook PC User Guide - Windows 7 - Page 25

Bottom components, Help and Support.

Page 25 highlights

Bottom components Component (1) Hard drive bay (2) SmartBay release latch (3) Memory module compartment (4) Mini Card compartment (5) Battery release latch (6) SIM slot (select models only) (7) Battery bay (8) Vents (3) Description Holds the hard drive and the wireless LAN (WLAN) module. 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 technical support through Help and Support. Releases the SmartBay module. Contains the 2 memory module slots. Holds the RTC battery and, on select models, holds a wireless WAN (WWAN) module or a TV tuner card. 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 technical support through Help and Support. Releases the battery from the battery bay. Contains a subscriber identity module (SIM). The SIM slot is located inside the battery bay. Holds the battery. 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. Components 13

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Bottom components
Component
Description
(1)
Hard drive bay
Holds the hard drive and the wireless LAN (WLAN) module.
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 technical support through
Help and Support.
(2)
SmartBay release latch
Releases the SmartBay module.
(3)
Memory module compartment
Contains the 2 memory module slots.
(4)
Mini Card compartment
Holds the RTC battery and, on select models, holds a
wireless WAN (WWAN) module or a TV tuner card.
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 technical support through
Help and Support.
(5)
Battery release latch
Releases the battery from the battery bay.
(6)
SIM slot (select models only)
Contains a subscriber identity module (SIM). The SIM slot is
located inside the battery bay.
(7)
Battery bay
Holds the battery.
(8)
Vents (3)
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.
Components
13