Hp 455 Notebook-PC Manuel d'utilisateur télécharger pdf (Page 49)

7 Managing and sharing information

Drives are digital storage devices that help you store, manage, share, and access information. Your

computer has an internal hard drive or a solid state drive that stores your computer's software,

operating system, and also provides storage for all of your personal files. Some computers have a

builtin optical drive that allows you to read or write to a CD, DVD, or (on select models) Blu-ray Disc

(BD).

For added capacity or functionality, connect an external drive (purchased separately), such as an

optical drive or hard drive, or insert a digital storage card directly from your phone or camera. A USB

flash drive, connected to the Universal Serial Bus (USB) port on your computer, also allows quick

data transfer. Some devices use the computer's power to run; others have their own power source.

Some devices come with software that must be installed.

NOTE: For information about connecting external wireless devices, see Connecting to a network

on page 14.

NOTE: For more information about required software and drivers, or to learn which computer port to

use, see the manufacturer's instructions.

Using a USB device

Most computers have more than one USB port, because this versatile interface allows you to connect

to numerous kinds of external devices to your computer, such as a USB keyboard, mouse, external

drive, printer, scanner, or USB hub.

Your computer may have more than one type of USB port. See

Getting to know your computer

on page 3 for the types of USB ports you have on this computer. Be sure to purchase devices that

are compatible with your computer.

Type Description

USB 2.0 Transfers data at 60 MB/s.

USB 3.0 Transfers data at 640 MB/s. USB 3.0 ports, also known as

SuperSpeed ports, are also compatible with USB 1.0 and 2.0

devices.

Connecting a USB device

CAUTION: To reduce the risk of damage to a USB connector, use minimal force to connect the

device.

Using a USB device 41

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Hp 455 Notebook-PC Manuel d'utilisateur Page 49