ThinkPad Edge E440, Руководство пользователя

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3 Slot for wireless WAN card or M.2 solid-state drive
Your computer might have a wireless wide area network (WAN) card installed in this slot for you to establish
wireless WAN connections.
For some models, an M.2 solid-state drive might be installed for data storage instead of a wireless WAN card.
4 Memory-upgrade slot
You can increase the amount of memory in your computer by installing a memory module in the
memory-upgrade slot. Memory modules are available as options from Lenovo.
5 Hard disk drive or solid-state drive
Depending on the model, the computer might have a large-capacity, customer-upgradable hard disk drive
that can meet various storage demands.
Some models have a solid-state drive for data storage. The solid-state drive makes your computer light,
small, and fast.
Note: The hidden service partition is the reason why there is less free space than expected on your hard
disk drive or solid-state drive. This reduction is more noticeable on the solid-state drive because of its
smaller capacity.
Rear view
Figure 7. ThinkPad Edge E440 and E540 rear view
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Fan louvers (rear)
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Fan louvers (rear)
The fan louvers and the internal fan enable air to circulate in the computer to ensure proper cooling,
especially the cooling of the microprocessor.
Note: To ensure proper airflow, do not place any obstacle in front of the fan louvers.
Status indicators
Your computer has several status indicators showing the status of your computer.
Note: Your computer keyboard might look different from the following illustration.
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User Guide