1 Memory 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. To purchase memory modules, go to:
http://www.lenovo.com/essentials
2 Emergency-reset hole
If the computer stops responding and you cannot turn it off by pressing the power button, remove the ac
power adapter first. Then insert a needle or a straightened paper clip into the emergency-reset hole to reset
the computer.
3 M.2 solid-state drive (available on some models)
Some models have an M.2 solid-state drive for data storage.
4 Built-in battery
Use your computer with battery power whenever ac power is unavailable.
5 Internal storage 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 storage
drive. This reduction is more noticeable on the solid-state drive because of its smaller capacity.
Status indicators
This topic provides information about locating and identifying the various status indicators on your computer.
Note: Depending on the model, your computer might look different from the following illustrations.
Chapter 1. Product overview 5