Dell Inspiron 11 3148 Manuel d'utilisateur télécharger pdf (Page 96)

96  Power Management

Configuring the Power Button Behavior

To configure the power button behavior:

Windows 8.1

1. Right-click anywhere on the Start screen.

2. Click All apps at the bottom-right corner of the screen.

3. Under Windows System, click Control Panel.

4. If your Control Panel is displayed by Category, click the View by:

drop-down and select Small icons or Large icons.

5. Click Power Options.Choose what you want your computer to do when

you press the power button from the drop-down menu next to When I

press the power button.

You may choose dierent option when your computer is running on

battery and when it is connected to a power adapter.

6. Click Save changes.

Windows 7

1. Click Start → Control Panel → Power Options.

2. Click Choose what the power buttons do.

3. Choose what you want your computer to do when you press the power

button from the drop-down menu next to When I press the power

button.

You may choose dierent option when your computer is running on

battery and when it is connected to a power adapter.

4. Click Save changes.

Improving Battery Life

The operating time of a battery, which is the time the battery can hold

acharge, varies depending on how you use your laptop computer.

The operating time of your battery significantly reduces if you use:

•Optical drives.

•Wireless communication devices, ExpressCards, media cards,

orUSBdevices.

•High-brightness display settings, 3D screen savers, or other

power-intensive programs like complex 3D graphics applications

andgames.

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Dell Inspiron 11 3148 Manuel d'utilisateur Page 96