Hp Pavilion dv7-4278nr Entertainment Notebook PC Manuel d'utilisateur

Notebook PC User Guide

A DVD or BD movie stops, skips, or plays erratically ... 95A DVD or BD movie is

14 TroubleshootingCannot connect to a WLANBefore troubleshooting a network connection problem, be sure that device drivers are installed for allwirele

Network icon is not displayedIf the network icon is not displayed in the notification area after configuring the WLAN, the softwaredriver is either mi

WLAN connection is very weakIf the connection is very weak, or if the computer cannot make a connection to a WLAN, minimizeinterference from other dev

The optical disc tray does not open for removal of a CD, aDVD, or a BD1. Insert the end of a paper clip into the release access in the front bezel of

●Uninstall●Scann for hardware changes. Windows scans your system for installed hardware and installsany required drivers●Click Properties to verify th

A CD, DVD, or BD does not play automatically1. Click Start > Default Programs > Change AutoPlay Settings.2. Confirm that the Use AutoPlay for al

●If copying a disc, save the information on the source disc to your hard drive before trying to burnthe contents to a new disc, and then burn from the

After the file is downloaded, navigate to the folder where the file was stored, and then double-clickthe file to install.7. If prompted, restart the c

IndexAAC adapterconnecting 39identifying 10action keysadjusting volume 23audio CD, DVD, or BDcontrols 23decrease screenbrightness 22Help and Support 2

Disk Cleanup software 56Disk Defragmenter software 56disk performance 56diskette drive 55display image, switching 23displaying system information 80dr

1 FeaturesIdentifying hardwareTo see a list of hardware installed on the computer:1. Select Start > Control Panel > System and Security.2. In th

webcam 8wireless 2local area network (LAN)cable required 18connecting cable 18low battery level 42MMain menu 81maintenanceDisk Cleanup 56Disk Defragme

shutdown 47shutting down 47SIM label 11Sleepexiting 35initiating 35slots, security cable 5softwareantivirus 74critical updates 75Disk Cleanup 56Disk D

Component Description(4) Right TouchPad button* Functions like the right button on an external mouse.*This table describes factory settings. To view o

Buttons and Fingerprint Reader (select models only)Item Description Function(1) Power button Press the Power button to:●Turn on the computer.●Initiate

KeysItem Description Function(1) esc key Press the esc and fn keys at the same time to display systeminformation.(2) fn key Press the fn key at the sa

Front componentsDescription FunctionSpeakers Produce sound.Right-side componentsItem Description Function(1) Power light●On—The computer is on.●Flashi

Left-side componentsItem Description Function(1) Vents (2) Enables airflow to cool internal components.NOTE: The computer fan starts up automatically

Bottom componentsItem Description Function(1) Battery bay Holds the battery.(2) Battery Release latch Releases the battery from the battery bay.(3) Ve

Display componentsItem Description Function(1) Internal microphones (2) Record sound.(2) Webcam light On—The webcam is in use.(3) Webcam Records video

Wireless antennasOn select computer models, at least 2 antennas send and receive signals from one or more wirelessdevices. These antennas are not visi

© Copyright 2010 Hewlett-PackardDevelopment Company, L.P.ATI and ATI Mobility Radeon are trademarksof Advanced Micro Devices, Inc. Bluetooth isa trade

Additional hardware componentsItem Description Function(1) Power cord* Connects an AC adapter to an AC outlet.(2) AC adapter Converts AC power to DC p

Item Component Description(2) Serial number This is an alphanumeric identifier that is unique to each product.(3) Product number This is an alphanumer

2NetworkingUsing wireless devicesWireless technology transfers data across radio waves instead of wires. The computer might beequipped with one or mor

Identifying wireless and network status iconsIcon Name DescriptionWireless (connected) Identifies the location of the wireless light and the wireless

Using the wireless keyThe computer has a wireless key, one or more wireless devices, and one or two wireless lights,depending on the model. All of the

Using operating system controlsSome operating systems offer a way to manage integrated wireless devices and the wireless connection.For example, Windo

Protecting your WLANBecause the WLAN standard was designed with only limited security capabilities—basically to foil casualeavesdropping rather than m

Connecting to a WLANTo connect to the WLAN:1. Be sure that the WLAN device is on. If it is on, the wireless light is illuminated white. If the wireles

Bluetooth devices provide peer-to-peer capability that allows you to set up a personal area network(PAN) of Bluetooth devices. For information on conf

2. Connect the other end of the cable to a network wall jack (2).Connecting to a local area network 19

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

3 Pointing devices and keyboardUsing pointing devicesSetting pointing device preferencesUse Mouse Properties in Windows to customize settings for poin

Using TouchPad gesturesThe TouchPad supports a variety of TouchPad gestures. To activate the TouchPad gestures, place twofingers on the TouchPad as de

Connecting an external mouseConnect an external USB mouse to the computer using one of the USB ports on the computer. A USBmouse also connects to the

Icon DescriptionSwitches the screen image among display devices connected to the system. For example, if a monitor is connectedto the computer, pressi

Press fn+esc to display information about system hardware components and the system BIOS versionnumber.To use a hotkey command:●Press the fn key, and

Using an optional external numeric keypadKeys on most external numeric keypads function differently according to whether num lock is on or off.(Num lo

4 MultimediaMultimedia featuresThe computer includes multimedia features that allow you to listen to music, watch movies, and viewpictures. The comput

Identifying your multimedia componentsItem Description Function(1) Internal digital dual array microphones (2) Record sound.(2) Webcam light Illuminat

Adjusting the volumeAdjust the volume using the computer volume keys.●To decrease volume, press the Volume Down key (1).●To increase volume, press the

Using the media activity keysThe media activity keys control the play of an audio CD or a DVD or BD that is inserted into an externaloptical drive (pu

iv Safety warning notice

To start MediaSmart, double-click the MediaSmart icon on the computer desktop.For more information on using MediaSmart, select Start > Help and Sup

NOTE: A driver is a required program that acts like a translator between the device and theprograms that use the device.Checking your audio functionsT

32 Chapter 4 Multimedia

Connecting an HDMI deviceThe computer includes an HDMI (High Definition Multimedia Interface) port. The HDMI port connectsthe computer to an optional

3. On the Playback tab, click Speakers.4. Click Set Default.5. Click OK.WebcamThe computer includes an integrated webcam, located at the top of the di

5 Power managementSetting power optionsUsing power-saving statesThe computer has two power-saving states enabled at the factory: Sleep and Hibernation

Initiating and exiting HibernationHibernation initiates after 1,080 minutes (18 hours) of inactivity when running on both battery power andexternal po

Selecting a different power planTo select a different power plan:●Click the Battery Meter icon in the notification area at the far right of the task b

When connecting to external AC power:●The battery begins to charge.●If the computer is turned on, the Battery Meter icon in the notification area chan

Connecting the AC adapterWARNING! To reduce the risk of electric shock or damage to the equipment:Connect the power cord into an AC outlet that is eas

Table of contents1 Features ...

Finding battery information in Help and SupportHelp and Support provides the following tools and information about the battery:●Battery Check tool to

To remove the battery:1. Close the display.2. Turn the computer upside down on a flat surface.3. Slide the battery release latch to release the batter

The battery charges whenever the computer is plugged into external power through an AC adapter, anoptional power adapter, an optional expansion produc

Resolving a low battery level when external power is availableTo resolve a low battery level when external power is available, connect one of the foll

To fully charge the battery:a. Insert the battery into the computer.b. Connect the computer to an AC adapter, optional power adapter, optional expansi

4. Recharge the battery. To recharge the battery:a. Connect the computer to external power until the battery is fully recharged.The computer can be us

NOTE: Check a stored battery every six months. If the capacity is less than 50 percent, recharge thebattery before returning it to storage.Calibrate a

Shut down the computer when:●Replacing the battery or accessing components inside the computer.●Connecting an external hardware device that does not c

6DrivesHandling drivesDrives are fragile computer components that must be handled with care. Adhere to the following cautionsbefore handling drives:CA

Identifying the installed optical driveTo identify an optical drive:1. Select Start > Computer.A list of all the drives installed in the computer a

Using TouchPad gestures ... 21Scrolling ...

CD-R discsCD-R (write-once) discs are widely used for creating a permanent copy of data that can be shared asneeded. Typical uses include the followin

Playing a CD, DVD, or BDTo play an optical disc:1. Turn on the computer.2. Press the release button (1) on the drive bezel to release the disc tray.3.

Changing DVD region settingsCAUTION: The region settings on the DVD drive can be changed five times.The region setting selected the fifth time becomes

Observing the copyright warningIt is a criminal offense, under applicable copyright laws, to make unauthorized copies of copyright-protected material,

Creating (burning) a CD or DVDCAUTION: Observe the copyright warning. It is a criminal offense, under applicable copyright laws,to make unauthorized c

Removing a CD, DVD, or BDTo remove an optical disc:1. Press the release button on the drive bezel to release the disc tray (1).2. Gently pull out the

To disconnect a powered drive:1. Disconnect the drive from the computer.2. Disconnect the AC power cord.Improving hard drive performanceUsing Disk Def

4. Disconnect the power cord from the AC outlet.5. Turn the computer upside down on a flat surface, with the hard drive bay toward you.6. Remove the b

11. Remove the hard drive vertically (3) from the computer.To install the primary hard drive:1. Insert the hard drive into the hard drive bay (1).2. T

6. Tighten the hard drive cover screws (3).7. Replace the battery.8. Turn the computer right-side up, and then reconnect external power and external d

Finding battery information in Help and Support ... 40Using Battery Check ...

8. Lift the hard drive cover away from the computer (2).9. Disconnect the hard drive cable connector from the system board (1).10. Remove the four har

3. Connect the hard drive cable to the hard drive connector on the system board (3).4. Align the tabs on the hard drive cover with the notches on the

7 External devicesUsing a USB deviceA USB port connects an optional external device, such as a USB keyboard, mouse, drive, printer,scanner, or hub, to

Removing a USB deviceCAUTION: To prevent loss of information or an unresponsive system, adhere to the instructions in“Removing a USB device.”CAUTION:

Connecting an eSATA deviceCAUTION: To prevent damage to an eSATA port connector, use minimal force to connect an eSATAdevice.To connect an eSATA devic

8 External media cardsUsing Digital Media Slot cardsOptional digital cards provide secure data storage and convenient data sharing. These cards are us

Removing a digital cardCAUTION: To prevent loss of data or an unresponsive system, adhere to the instructions in “Removinga digital card.”NOTE: To sto

9 Memory modulesThe computer has one memory module compartment, which is located on the bottom of the computer.The memory capacity of the computer is

8. Lift the memory module compartment cover (2) away from the computer.9. If replacing a memory module, remove the existing memory module by:a. Pullin

b. Grasping the edge of the memory module (2), and gently pulling the module out of the memorymodule slot.To protect a memory module after removal, pl

Improving hard drive performance ... 56Using Disk De

12. Close the cover (2).13. Tighten the five memory module compartment screws (3).14. Replace the battery.15. Turn over the computer.16. Connect exter

10 SecurityProtecting the computerStandard security features provided by the Windows operating system and the non-Windows SetupUtility protect your pe

Use the same password for a Setup Utility feature and for a Windows security feature, and the samepassword can be used for more than one Setup Utility

Administrator passwordYour administrator password protects the configuration settings and system identification information inSetup Utility. After thi

Managing a power-on passwordTo set, change, or delete the power-on password:1. Open Setup Utility by turning on or restarting the computer. When the P

Firewall features include logging and reporting of network activity, and automatic monitoring of allincoming and outgoing traffic. For more informatio

Using the Fingerprint Reader (select models only)NOTE: The location of the Fingerprint Reader varies by computer model.Locating the Fingerprint Reader

Registering fingerprintsA Fingerprint Reader allows you to log on to Windows using a fingerprint that you have registered usingDigitalPersona Personal

Using your registered fingerprint to log on to WindowsTo log on to Windows using your fingerprint:1. After you register your fingerprints, restart Win

11 Setup Utility (BIOS)Starting Setup UtilitySetup Utility is a ROM-based information and customization utility is used even when the Windowsoperating

11 Setup Utility (BIOS) ...

To navigate Setup Utility:●Use the arrow keys to choose a menu or a menu item.●Use either the arrow keys or the f5 or f6 keys to choose an item in a l

Exiting Setup UtilityExit Setup Utility with or without saving changes.●To exit Setup Utility and save the changes from the current session:If the Set

System Configuration menuSelect FunctionLanguage Support Change the language of Setup Utility.Virtualization Technology (select models only) Enable/di

12 Software updatesUpdated versions of the software provided with the computer might be available on the HP website.Most software and BIOS updates on

Downloading a BIOS updateCAUTION: To prevent damage to the computer or an unsuccessful installation, download and installa BIOS update only when the c

Updating programs and driversTo download and install software other than a BIOS update:1. Open a browser window, go to http://www.hp.com/support, and

13 Backup and recoveryRecovery after a system failure is as complete as the most current backup. HP recommends creatingrecovery discs immediately afte

●Only one set of recovery discs are created per computer.●Number each disc before inserting it into the optical drive.●If necessary, exit the program

Using Windows Backup and RestoreTo create a backup using Windows Backup and Restore:NOTE: Be sure that the computer is connected to AC power before st

3. Click the System Protection tab.4. Click System Restore.5. Follow the on-screen instructions.Performing a recoveryNOTE: Recover only files that you