Hp 455 Notebook-PC Manuel d'utilisateur

User Guide

More HP resourcesYou have already used Setup Instructions to turn on the computer and locate this guide. For productdetails, how-to information, and m

2 Getting to know your computerFinding your hardware and software informationLocating hardwareTo find out what hardware is included on your computer:1

Right sideComponent Description(1) Optical drive Reads an optical disc.NOTE: On select models, the optical drive also writes toan optical disc.(2)

Left sideComponent Description(1)External monitor port Connects an external VGA monitor or projector.(2) Vent Enables airflow to cool internal compo

Component Description(9)Hard drive light●Blinking white: The hard drive is being accessed.(10)Power light●White: The computer is on.●Blinking white: T

DisplayComponent Description(1) Internal display switch Turns off the display and initiates Sleep if the display is closedwhile the power is on.NOTE:

TopTouchPadComponent Description(1) TouchPad on/off button Turns the TouchPad on or off.(2) TouchPad light ● On: The TouchPad is off.●Off: The Touc

LightsComponent Description(1) Caps lock light On: Caps lock is on, which switches the keys to all capitalletters.(2)Power light ● White: The comput

ButtonsComponent DescriptionPower button ● When the computer is off, press the button to turn onthe computer.●When the computer is in the Sleep state,

KeysComponent Description(1) esc key Displays system information when pressed in combinationwith the fn key.(2) fn key Displays system information

© Copyright 2012, 2013 Hewlett-PackardDevelopment Company, L.P.Bluetooth is a trademark owned by itsproprietor and used by Hewlett-PackardCompany unde

BottomComponent Description(1) Battery bay Holds the battery.(2) Vents (3) Enable airflow to cool internal components.NOTE: The computer fan start

LabelsThe labels affixed to the computer provide information you may need when you troubleshoot systemproblems or travel internationally with the comp

3 Connecting to a networkYour computer can travel with you wherever you go. But even at home, you can explore the globeand access information from mil

To use operating system controls:1. From the Start screen, type network and sharing.2. Click Settings, and then select Network and Sharing Center from

Setting up a WLANTo set up a WLAN and connect to the Internet, you need the following equipment:● A broadband modem (either DSL or cable) (1) and high

Connecting to a WLANTo connect to the WLAN, follow these steps:1. Be sure that the WLAN device is on. If the device is on, the wireless light is white

Connecting to a local area network (LAN)Use a LAN connection if you want to connect the computer directly to a router in your home (insteadof working

4 Enjoying entertainment featuresUse your HP computer as an entertainment hub to socialize via the webcam, enjoy and manage yourmusic, and download an

Component Description(7)Audio-out (headphone) jack Produces sound when connected to optional poweredstereo speakers, headphones, earbuds, a headset, o

WARNING! To reduce the risk of personal injury, adjust the volume before putting on headphones,earbuds, or a headset. For additional safety informatio

Safety warning noticeWARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do notplace the computer directly on

To connect a monitor or projector:1. Connect the VGA cable from the monitor or projector to the VGA port on the computer asshown.2. Press f4 to altern

To connect a high-definition TV or monitor to your computer:1. Connect one end of the HDMI cable to the HDMI port on the computer.2. Connect the other

Managing your audio and video filesCyberLink PowerDVD (select models only) helps you manage and edit your photo and videocollections.▲ To start CyberL

5 Navigating using touch gestures,pointing devices and the keyboardYour computer allows navigation using touch gestures (select models only) in additi

To view a demonstration of each gesture:1. From the Start screen, type control, select Control Panel from the list of apps, and thenselect Hardware an

Pinching/zoomingPinching and zooming allows you to zoom in or out on images or text.●Zoom in by placing two fingers together on the TouchPad zone and

NOTE: Rotate is intended for specific apps where you can manipulate an object or image. Rotatemay not be functional for all apps.2-finger click (selec

Edge swipesEdge swipes allow you to perform tasks such as changing settings and finding or using apps.Right-edge swipeThe right-edge swipe reveals the

Left-edge swipeThe left-edge swipe reveals your open apps so that you can switch to them quickly.●Swipe from the left edge of the TouchPad to switch b

TIP: The Windows logo key on the keyboard allows you to quickly return to the Start screenfrom an open app or the Desktop. Pressing the Windows logo

iv Safety warning notice

Icon Key Descriptionf8 Plays the next track of an audio CD or the next section of a DVD or a BD.f9 Decreases speaker volume incrementally as long as y

Function Hot key DescriptionDisplay system information. fn+esc Displays information about system hardware components and thesystem BIOS version number

6 Managing powerYour computer can operate on either battery power or external power. When the computer is onlyrunning on battery power and an AC power

When the computer exits Sleep, the power lights turn on and the computer returns to the screenwhere you stopped working.NOTE: If you have set a passwo

Different power meter icons indicate whether the computer is running on battery or external power.The battery icon displays a message if the battery r

3. Pivot the battery (2) upward and remove it (3) from the computer.Finding battery informationHelp and Support provides the following tools and infor

NOTE: For additional information about the power meter, see Using the power meter and powersettings on page 35.The computer takes the following action

possibly covered by an HP warranty, instructions include a warranty ID. A message refers you to theHP website for more information about ordering a re

3. Connect the AC adapter to the computer, and then plug it into an AC outlet.4. Turn on the computer.●If the power lights turn on, the AC adapter is

7 Managing and sharing informationDrives are digital storage devices that help you store, manage, share, and access information. Yourcomputer has an i

Table of contents1 Starting right ...

▲Connect the USB cable for the device to the USB port.NOTE: The USB port on your computer may look slightly different from the illustration in thissec

2. Insert the card into the digital storage slot, and then press in on the card until it is firmly seated.A sound indicates that the device has been d

●Make sure you have installed the latest software updates for the drive.● If the disc you are using is not clean, wipe it with a dry, lint-free, soft

4. Hold the disc by the edges to avoid touching the flat surfaces and position the disc label-side upover the tray spindle.NOTE: If the tray is not fu

2. Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outeredges of the disc. Hold the disc by the edges and a

3. Under View your active networks, select an active network.4. Select Change advanced sharing settings to set sharing options for privacy, networkdis

8 Maintaining your computerIt is important to perform regular maintenance to keep your computer in optimal condition. Thischapter provides information

CAUTION: To prevent information loss or an unresponsive system:Before removing or installing a drive, shut down the computer. If you are unsure whethe

Remove the hard drive:1. Loosen the hard drive cover screw (1), and then lift up (2) and remove the cover (3).2. Pull up to disconnect the hard drive

6. Remove the hard drive (3) from the bracket.To install a hard drive, reverse this procedure.Using Disk DefragmenterAs you use your computer over tim

4 Enjoying entertainment features ... 1

To run Disk Cleanup:1. From the Start screen, type disk, select Settings, and then select Free up disk space bydeleting unnecessary files.2. Follow th

▲Loosen the wireless and memory module compartment cover screw (1), and then lift up (2)and remove the cover (3).7. If you are replacing a memory modu

8. Insert a new memory module:CAUTION: To prevent damage to the memory module, hold the memory module by the edgesonly. Do not touch the components on

recent gaming software. Without the latest driver, you would not be getting the most out of yourequipment.Download the latest versions of HP programs

CAUTION: Perform this action before shipping, storing, or traveling with a drive. This willhelp reduce the risk of damage to the computer, damage to a

9 Securing your computer andinformationComputer security is essential for protecting the confidentiality, integrity, and availability of yourinformati

For additional information about Windows passwords, such as screen-saver passwords, see Helpand Support. To access Help and Support, from the Start sc

Using Internet security softwareWhen you use your computer to access email, a network, or the Internet, you potentially expose yourcomputer to compute

To be sure that all available updates are installed on the computer, observe these guidelines:● Run Windows Update as soon as possible after you set u

3. Insert the security cable lock into the security cable slot on the computer (3), and then lock thesecurity cable lock with the key.4. Remove the ke

Removing a user-replaceable battery ... 36Finding battery information ...

10 Using Setup Utility (BIOS) and SystemDiagnosticsSetup Utility, or Basic Input/Output System (BIOS), controls communication between all the input an

Downloading a BIOS updateCAUTION: To reduce the risk of damage to the computer or an unsuccessful installation, downloadand install a BIOS update only

To start System Diagnostics:1. Turn on or restart the computer, quickly press esc, and then press f2.2. Click the diagnostic test you want to run, and

11 Backing up, restoring, and recoveringYour computer includes tools provided by HP and the operating system to help you safeguard yourinformation and

choose to reset the computer by reinstalling Windows or choose to recover using HP RecoveryManager.NOTE: File History is not enabled by default, so yo

Restore and recoveryThere are several options for recovering your system. Choose the method that best matches yoursituation and level of expertise:● I

Using Windows Refresh for quick and easy recoveryWhen your computer is not working properly and you need to regain system stability, the WindowsRefres

3. Click Change PC settings in the bottom-right corner of the screen, and then select Generalfrom the PC settings screen.4. Under Remove everything an

Using HP Recovery media to recoverYou can use HP Recovery media to recover the original system. This method can be used if yoursystem does not have an

12 SpecificationsInput powerThe power information in this section may be helpful if you plan to travel internationally with thecomputer.The computer o

Setting Windows passwords ... 58Setting Setup Utility (BIOS

13 Electrostatic DischargeElectrostatic discharge is the release of static electricity when two objects come into contact—forexample, the shock you re

IndexAAC adapter 4action keysdecrease screen brightness31Help and Support 31identifying 11increase screen brightness 31next track or section 32play, p

installingcritical security updates 59optional security cable lock 60integrated webcam light,identifying 7, 19internal display switch,identifying 7int

Setup Utility (BIOS) passwords58shipping the computer 55shutdown 40Sleepexiting 34initiating 34slotsDigital Media 5security cable 4softwareCyberLink P

1 Starting rightThis computer is a powerful tool designed to enhance your work and entertainment. To get the mostout of your computer, read this chapt