Hp Compaq Presario CQ42-152TU Notebook PC Manual do Utilizador

Notebook PC User Guide

Performing a recovery ... 108Recove

Managing a power-on passwordTo set, change, or delete this password, follow these steps:1. Open Setup Utility by turning on or restarting the computer

Using antivirus softwareWhen you use the computer for e-mail or Internet access, you expose it to computer viruses that candisable the operating syste

Using firewall softwareWhen you use the computer for e-mail, network, or Internet access, unauthorized persons may be ableto gain access to the comput

Installing critical updatesCAUTION: Microsoft sends alerts regarding critical updates. To protect the computer from securitybreaches and computer viru

10 Setup Utility (BIOS)Starting Setup UtilitySetup Utility is a ROM-based information and customization utility that can be used even when yourWindows

Using Setup UtilityChanging the language of Setup UtilityThe following procedure explains how to change the language of Setup Utility. If Setup Utilit

Displaying system informationThe following procedure explains how to display system information in Setup Utility. If Setup Utility isnot open, begin a

Exiting Setup UtilityYou can exit Setup Utility with or without saving changes.●To exit Setup Utility and save your changes from the current session:I

System Configuration menuSelect To do thisLanguage Support Change the language of Setup Utility.Button Sound (select models only) Enable/disable the c

11 Software updatesUpdated versions of the software provided with your computer may be available on the HP Web site.Most software and BIOS updates on

1FeaturesIdentifying hardwareTo see a list of hardware installed in the computer, follow these steps:▲Select Start > Control Panel > System and

Updating the BIOSTo update the BIOS, first determine what BIOS version you currently have and then download and installthe new BIOS.Determining the BI

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, follow these steps:To use the HP Web site:1. Open your Web bro

12 Backup and recoveryRecovery after a system failure is as complete as your most current backup. HP recommends that youcreate recovery discs immediat

Creating recovery discsHP recommends that you create recovery discs to be sure that you can restore your system to its originalfactory state if you ex

Backing up your informationAs you add new software and data files, you should back up your system on a regular basis to maintaina reasonably current b

Using Windows Backup and RestoreTo create a backup using Windows Backup and Restore, follow these steps:NOTE: Be sure that the computer is connected t

Using system restore pointsWhen you back up your system, you are creating a system restore point. A system restore point allowsyou to save and name a

Performing a recoveryNOTE: You can recover only files that you have previously backed up. HP recommends that you useHP Recovery Manager to create a se

IndexSymbols/Numerics1394 Power Saving 98AAC adapterconnecting 62identifying 11action keysvolume down 31, 32volume mute 31, 32volume up 31, 32admin

ComponentsTop componentsTouchPadComponent Description(1) TouchPad off indicator To switch the TouchPad zone on and off, quickly double-tapthe TouchPad

displaying system information 96drive media 59drivesboot order 98caring for 72DVDchanging region setting 44copying 45playing 42removing 47DVD drive 40

network security codesnetwork key 21SSID 21noise suppression circuitrymodem cable 11network cable 22Ooperating system 70optical discBlu-ray Disc 42CD-

using system restore 107Vvents, identifying 8, 9video, using 36Virtualization Technology 98volume down action key 31, 32volume mute action key 31,

LightsComponent Description(1) TouchPad light●On: The TouchPad is disabled.●Off: The TouchPad is enabled.(2) Caps lock light On: Caps lock is on.(

Button and speakersComponent Description(1) Speakers (2) Produce sound.(2) Power button●When the computer is off, press the button to turn on theco

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

DisplayComponent Description(1) Internal microphone Records sound.(2) Integrated webcam (select models only) Records audio and video and captures stil

Right-side componentsComponent Description(1) Optical drive Reads and writes to optical discs.(2) Optical drive light Blinking: The optical drive

Left-side componentsComponent Description(1) External monitor port Connects an external VGA monitor or projector.(2) Vent Enables airflow to cool in

Bottom componentsComponent Description(1) Battery bay Holds the battery.(2) Battery release latch Releases the battery from the battery bay.(3) Ve

© Copyright 2010 Hewlett-PackardDevelopment Company, L.P.Bluetooth is a trademark owned by itsproprietor and used by Hewlett-PackardCompany under lice

Wireless antennasAt least 2 antennas send and receive signals from one or more wireless devices. These antennas arenot visible from the outside of the

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

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

2 Wireless, local area network, andmodemUsing wireless devicesWireless technology transfers data across radio waves instead of wires. Your computer ma

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

Using HP Wireless AssistantA wireless device can be turned on or off using HP Wireless Assistant. If a wireless device is disabledin Setup Utility, it

Using a WLANWith a WLAN device, you can access a wireless local area network (WLAN), which is composed of othercomputers and accessories that are link

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, follow these steps:1. Be sure that the WLAN device is on. If it is on, the wireless light is white. If the

Using Bluetooth wireless devices (select models only)A Bluetooth device provides short-range wireless communications that replace the physical cableco

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

Troubleshooting wireless connection problemsSome possible causes for wireless connection problems include the following:●Network configuration (SSID o

Cannot connect to a preferred wireless networkWindows can automatically repair a corrupted WLAN connection:●If there is a network icon in the notifica

If you are provided with new wireless network keys and SSID for a network, and if you have previouslyconnected to that network, follow the steps below

To connect the network cable:1. Plug the network cable into the network jack (1) on the computer.2. Plug the other end of the cable into a network wal

3 Pointing devices and keyboardUsing the TouchPadThe following illustration and table describe the computer TouchPad.Component Description(1) TouchPad

Using TouchPad gesturesTo enable or disable gestures, click the Synaptics icon in the notification area, at the far right of thetaskbar, and then chec

To pinch:●Zoom in by holding two fingers together on the TouchPad, and then pull the fingers apart to increasean object's size.●Zoom out by holdi

Connecting an external mouseYou can connect an external USB mouse to the computer using one of the USB ports on thecomputer. Using the keyboardUsing t

f10 Increases speaker volume incrementally when you hold down this key.f11 Mutes or restores speaker sound.f12 Turns the wireless feature on or off.NO

Cleaning the TouchPad and keyboardDirt and grease on the TouchPad can cause the pointer to jump around on the screen. To avoid this,clean the TouchPad

iv Safety warning notice

4MultimediaMultimedia featuresYour computer includes multimedia features that allow you to listen to music, watch movies, and viewpictures. Your compu

Component Description(1) Internal microphone Records sound.(2) Webcam (select models only) Records audio and video and captures still photographs.(3

Adjusting the volumeYou can adjust the volume using the following controls:●Computer volume action keys:◦To decrease volume incrementally, press the v

c. Under Behaviors, select Show icon and notifications for the Volume icon.d. Click OK.●Program volume control:Volume can also be adjusted within some

Multimedia softwareYour computer includes preinstalled multimedia software that allows you to play music, watch movies,and view pictures. The followin

AudioYour computer enables you to use a variety of audio features:●Play music using your computer speakers and/or connected external speakers●Record s

NOTE: For best results when recording, speak directly into the microphone and record sound in asetting free of background noise.To confirm or change t

Connecting an HDMI device (select models only)Select models include an HDMI (High Definition Multimedia Interface) port. The HDMI port connects thecom

Configuring audio for HDMI (select models only)To configure HDMI audio, first connect an audio or video device, such as a high-definition TV, to theHD

Optical driveYour computer includes an optical drive that expands the functionality of the computer. Identify whatkind of device is installed in your

Table of contents1 Features ...

Using optical discsAn optical drive plays optical discs. Your optical drive can read standard CD and DVD discs, and if it isa Blu-ray Disc ROM Drive,

Selecting the right discAn optical drive supports optical discs (CDs, DVDs, and BDs). CDs, used to store digital data, are alsoused for commercial aud

LightScribe DVD+R discsUse LightScribe DVD+R discs for sharing and storing data, home videos, and photos. These discs areread-compatible with most DVD

5. Gently press the disc (3) down onto the tray spindle until the disc snaps into place.6. Close the disc tray.If you have not yet configured AutoPlay

Configuring AutoPlay1. Select Start > Default Programs > Change AutoPlay settings.2. Confirm that the Use AutoPlay for all media and devices che

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 DVDIf your computer includes a CD-RW, DVD-RW, or DVD±RW optical drive, you can use software suchas Windows Media Player or

Removing an optical disc (CD, DVD, or BD)1. Press the release button (1) on the drive bezel to release the disc tray, and then gently pull out thetray

Removing the optical driveThe optical drive can be removed to reduce the weight of the computer:1. Save your work.2. Shut down the computer and close

8. Remove the security screw from the optical drive.NOTE: A screw driver may be necessary to loosen the bracket holding the optical drive after thesec

Current network security codes are unavailable ... 21WLAN connection is very weak ...

10. Replace the security screw.11. Align the tabs (1) on the hard drive cover with the notches on the computer, close the hard drivecover (2), and tig

Webcam (select models only)Your computer may include an integrated webcam, located at the top of the display. The webcam is aninput device that allows

Adjusting webcam propertiesYou can adjust webcam properties using the Properties dialog box, which is accessible from variousprograms that use the web

TroubleshootingThe following sections describe several common issues and solutions.The optical disc tray does not open for removal of a CD, DVD, or BD

The computer does not detect the optical driveIf Windows does not detect an installed device, the device driver software may be missing or corrupted.I

A disc does not play●Save your work and close all open programs before playing a CD or a DVD.●Log off the Internet before playing a CD or a DVD.●Be su

A movie stops, skips, or plays erratically●Clean the disc.●Conserve system resources by trying the following suggestions:◦Log off the Internet.◦Change

A DVD playing in Windows Media Player produces no sound or displayUse CyberLink PowerDVD 8 to play a DVD. CyberLink PowerDVD 8 is installed on the com

Obtaining the latest HP device drivers1. Open your Web browser, go to http://www.hp.com/support, and select your country or region.2. Click the option

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

LightScribe DVD+R discs ... 42Blu-ray Disc ...

When the computer exits Sleep, the power lights turn on and your work returns to the screen where youstopped working.NOTE: If you have set a password

The following power plans are available:●HP recommended●High performance●Power saverYou can change the settings of these power plans through Power Opt

Using external AC powerExternal AC power is supplied through an approved AC adapter.WARNING! To reduce potential safety issues, use only the AC adapte

3. Plug the other end of the power cord into an AC outlet (3).Testing an AC adapterTest the AC adapter if the computer exhibits any of the following s

You can keep a battery in the computer or in storage, depending on how you work. Keeping the batteryin the computer whenever the computer is plugged i

2. Align the tabs on the battery with the notches on the computer, insert the battery (1), and then pivotthe battery downward (2) into the battery bay

Charging may take longer if a battery is new, has been unused for 2 weeks or more, or is much warmeror cooler than room temperature.To prolong battery

Resolving a low battery levelCAUTION: To reduce the risk of losing information when the computer reaches a critical battery leveland has initiated Hib

To fully charge the battery:1. Insert the battery into the computer.2. Connect the computer to an AC adapter or an optional power adapter, and then pl

Step 4: Fully recharge the batteryTo recharge the battery:1. Plug the computer into external power and maintain external power until the battery is fu

Using Battery Check ... 64Inserting or removing

If a computer will be unused and unplugged from external power for more than 2 weeks, remove thebattery and store it separately.To prolong the charge

If the computer is unresponsive and you are unable to use the preceding shut down procedures, try thefollowing emergency procedures in the sequence pr

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

Using external drivesRemovable external drives expand your options for storing and accessing information. A USB drive canbe added by connecting the dr

Improving hard drive performanceUsing Disk DefragmenterAs you use the computer, files on the hard drive become fragmented. Disk Defragmenter consolida

Replacing the hard driveCAUTION: To prevent information loss or an unresponsive system:Shut down the computer before removing the hard drive from the

9. Remove the hard drive screws (1) and then drive and then lift the hard drive slightly (2).10. Disconnect the hard drive cable and lift the hard dri

To install a hard drive:1. Lower the hard drive into the hard drive bay and connect the hard drive cable.2. Snap the hard drive into place (1) and rep

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

7 External devices and external mediacardsUsing a USB deviceUniversal Serial Bus (USB) is a hardware interface that can be used to connect an optional

9 Security ...

Removing a USB deviceCAUTION: To prevent loss of information or an unresponsive system, use the following procedure tosafely remove a USB device.CAUTI

Using Digital Media Slot cardsOptional digital cards provide secure data storage and convenient data sharing. These cards are oftenused with digital m

Removing a digital cardCAUTION: To prevent loss of data or an unresponsive system, use the following procedure to safelyremove the digital card.Save y

8 Memory modulesThe computer has one memory module compartment, which is located on the bottom of the computer.WARNING! To reduce the risk of electric

7. Loosen the memory module compartment screws (1). Lift the memory module compartment cover(2) away from the computer.8. If you are replacing a memor

CAUTION: To prevent damage to the memory module, hold the memory module by the edgesonly. Do not touch the components on the memory module, and do not

14. Turn the computer right-side up, and then reconnect external power and external devices.15. Turn on the computer.86 Chapter 8 Memory modules

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

You can use the same password for a Setup Utility feature and for a Windows security feature. You canalso use the same password for more than one Setu

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