HP DM4 - Manual (Page 20)

Rear
Component Description
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.
Bottom
Component Description
(1) Battery bay Holds the battery.
(2) Battery release latch Releases the battery from the battery bay.
(3) Vents (5) 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.
(4) Hard drive bay Holds the hard drive.
(5) Memory module compartment Contains the memory module slots.
12 Chapter 2 External component identification