HP Pavilion dm1-4000 User Guide HP Notebook - Windows 7 - Page 23

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Page 23 highlights

Bottom Component (1) (2) Battery bay SIM slot (select models only) (3) Battery/service door latch (4) Vent (5) Service door Description Holds the battery. Supports a wireless subscriber identity module (SIM) (select models only). The SIM slot is located inside the battery bay. Releases the battery from the battery bay and the service door from the computer. Enables 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. Provides access to the hard drive bay, the memory module slot, the wireless local area network (WLAN) module, and the WWAN module (select models only). Bottom 13

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Bottom
Component
Description
(1)
Battery bay
Holds the battery.
(2)
SIM slot (select models only)
Supports a wireless subscriber identity module (SIM) (select
models only). The SIM slot is located inside the battery bay.
(3)
Battery/service door latch
Releases the battery from the battery bay and the service
door from the computer.
(4)
Vent
Enables 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)
Service door
Provides access to the hard drive bay, the memory module
slot, the wireless local area network (WLAN) module, and
the WWAN module (select models only).
Bottom
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