External component identification
Bottom components
Item
Component
(1)
Battery bay
(2)
SIM slot (select models only)
(3)
Vents (6)
(4)
Hard drive bay
(5)
Battery release latch
2–10
Description
Holds the battery.
Contains a wireless subscriber identity module (SIM). The SIM slot is located
inside the battery bay.
Enable airflow to cool internal components.
✎
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.
Holds the hard drive and contains the memory module slot.
Releases the battery from the battery bay.
Maintenance and Service Guide