Replacing The Cap Of Pointing Stick; Power Management; Using The Ac Power - Lenovo ThinkPad E555 User Manual

Replacing the cap of pointing stick

The cap 1 on the end of the pointing stick is removable. After you use the cap for a period of time, you
might consider replacing the cap with a new one.
Note: Ensure that you use a cap with grooves

Power management

When you use your computer away from electrical outlets, you depend on battery power to keep your
computer running. Different computer components consume power at different rates. The more you use the
power-intensive components, the faster you consume battery power.
Spend more time unplugged with ThinkPad batteries. Mobility has revolutionized business by enabling
you to take your work wherever you go. With ThinkPad batteries, you will be able to work longer without
being tied to an electrical outlet.

Using the ac power

The power to run your computer can come either from the battery or from ac power. While you use ac
power, the batteries charge automatically.
Your computer comes with an ac power adapter and a power cord.
• ac power adapter: Converts ac power for notebook computer use.
• Power cord: Connects the ac outlet and the ac power adapter.
Connecting to ac power
To connect the computer to ac power, do the following:
Attention: Using an improper power cord might cause severe damage to your computer.
Note: Ensure that you perform the actions in the order in which they are listed.
1. Connect the power cord to the ac power adapter.
2. Connect the ac power adapter to the power connector of the computer.
3. Connect the power cord into an electrical outlet.
a
as shown in the following illustration.
.
Chapter 2 Using your computer
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