Lenovo U110 Manuel d'utilisateur télécharger pdf (Page 53)

Chapter 2. Using Your Computer

3 Under System icons, select the Power check box.

The rate at which you use battery power determines how long you can use

the battery of your computer between charges. As each computer user has

different habits and needs, it is difficult to predict how long a battery

charge will last. There are two main factors:

 The amount of energy stored in the battery when you begin to work.

 The way you use your computer: for example, how often you access the

hard disk drive and how bright you make the computer display.

 Using the AC Adapter

The power to run your computer can come either from the lithium-ion (Li-

ion) battery pack provided with it, or from AC power through the AC

adapter. While you use AC power, the battery charges automatically.

The AC adapter that comes with your computer has two basic components:

1 The transformer pack that converts AC power for use with the

computer.

2 The power cord that plugs into the AC outlet and into the transformer

pack.

Attention:

Using an improper power cord could cause severe damage to your

computer.

To use the AC adapter, do the following. Be sure to take these steps in the

order in which they are given here.

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Lenovo U110 Manuel d'utilisateur Page 53