Lenovo ThinkPad Edge E531 - Manual (Page 26)

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
Your computer might have a large-capacity, customer-upgradable hard disk drive or solid-state drive that
can meet a variety of storage demands.
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.
Rear view
Figure 7. ThinkPad Edge E431 and E531 rear view
1 Fan louvers (rear)
1 Fan louvers (rear)
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airflow, do not place any obstacle in front of the fan.
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.
10 User Guide