2ā10 Maintenance and Service Guide
External component identification
Bottom components
Item Component Description
(1) Battery bay Holds the battery.
(2) SIM slot (select models only) Contains a wireless subscriber identity module (SIM). The SIM slot is located
inside the battery bay.
(3) Vents (6) Enable airflow to cool internal components.
ā
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 and contains the memory module slot.
(5) Battery release latch Releases the battery from the battery bay.
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