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HP CQ57-319WM, CQ57-439WM manual If you are traveling internationally, follow these suggestions

Models: CQ57-439WM

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hazardous locations. If you are uncertain of the policy that applies to the use of a particular device, ask for authorization to use it before you turn it on.

●If you are traveling internationally, follow these suggestions:

◦Check the computer-related customs regulations for each country or region on your itinerary.

◦Check the power cord and adapter requirements for each location in which you plan to use the computer. Voltage, frequency, and plug configurations vary.

WARNING! To reduce the risk of electric shock, fire, or damage to the equipment, do not attempt to power the computer with a voltage converter kit sold for appliances.

58 Appendix A Traveling with the computer

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HP CQ57-319WM manual If you are traveling internationally, follow these suggestions, Appendix A Traveling with the computer

Contents

HP Notebook Reference GuideProduct notice Safety warning notice iv Safety warning notice Table of contents Audio Replacing the battery 7 Security 8 Maintenance9 Setup Utility BIOS and System Diagnostics Restoring factory settings in Setup Utility BIOS Exiting Setup Utility BIOSUpdating the BIOS Determining the BIOS versionPage 1 Introduction Finding more information about your new computerCreating a wireless connection Identifying wireless and network status icons2 Networking select models only Wireless-Refer to Creating a wireless connection on pageTurning wireless devices on or off Using HP Connection Manager select models onlyUsing a WLAN select models only Using operating system controlsConnecting to an existing WLAN Setting up a new WLANProtecting your WLAN Inserting a SIM Using HP Mobile Broadband select models onlyRoaming to another network Using GPS select models only Removing a SIMUsing Bluetooth wireless devices select models only Connecting to a wired networkBluetooth and Internet Connection Sharing ICS Using a modem select models onlyConnecting a modem cable Connecting a country- or region-specific modem cable adapterSelecting a location setting Adding new locations when travelingViewing the current location selection 1. Select Start Control Panel 2. Click Clock, Language, and RegionConnecting to a local area network LAN select models only 1. Select Start Devices and Printers12 Chapter 2 Networking select models only Audio Using the media activity controls3 Multimedia Adjusting the volume 1. Select Start All Programs Accessories Sound RecorderWebcam select models only Checking audio functions on the computerVideo DisplayPortHDMI Configuring audio for HDMI Using CyberLink PowerDVD select models onlyIntel Wireless Display select models only 2. Select Start Shut down 4 Power managementShutting down the computer Setting power options Using power-saving statesInitiating and exiting Sleep Initiating and exiting HibernationUsing the power meter Using power plansViewing the current power plan Selecting a different power planUsing HP Power Manager select models only Setting password protection on wakeupCustomizing power plans 1. Select Start Control Panel System and Security Power OptionsUsing Battery Check Using battery powerFinding battery information Displaying the remaining battery charge Maximizing battery discharge timeManaging low battery levels Identifying low battery levelsConserving battery power Storing a batteryResolving a low battery level Resolving a low battery level when external power is availableReplacing the battery Using external AC powerDisposing of a used battery Using HP CoolSense select models only Testing an AC adapterInserting a digital card Using Digital Media Slot cards select models only5 External cards and devices Using ExpressCards select models only Configuring an ExpressCardRemoving a digital card Inserting an ExpressCardRemoving an ExpressCard Using smart cards select models only Inserting a smart cardRemoving a smart card Using a USB deviceConnecting a USB device Removing a USB device Using 1394 devices select models onlyConnecting a 1394 device Removing a 1394 device Using an eSATA device select models onlyConnecting an eSATA device Using optional external devices Using optional external drivesUsing the expansion port select models only Removing an eSATA deviceUsing optional external devices 6 Drives Handling drivesUsing hard drives Using HP 3D DriveGuard select models onlyUsing Disk Defragmenter Using Disk CleanupManaging power with a parked hard drive Using HP 3D DriveGuard softwareIdentifying HP 3D DriveGuard status 1. Select Start Control Panel Hardware and Sound HP 3D DriveGuardUsing optical drives select models only Identifying the installed optical drive select models onlyInserting an optical disc Tray loadTray load Removing an optical discSlot load When the disc tray opens normally When the disc tray fails to open normallySlot load 3. Select the Sharing tab Advanced Sharing Using RAID select models onlySharing optical drives Protecting the computer Using passwords7 Security After you set a user or administrator password, follow these Setting passwords in WindowsSetting passwords in Setup Utility BIOS Managing an administrator password Entering an administrator passwordUsing antivirus software Using firewall softwareManaging a power-on password Entering a power-on passwordInstalling critical security updates Installing an optional security cableUsing the fingerprint reader select models only Locating the fingerprint reader8 Maintenance Cleaning your computerCleaning the display Cleaning the sides and coverUsing SoftPaq Download Manager 9 Setup Utility BIOS and System Diagnostics Using Setup Utility BIOSStarting Setup Utility BIOS Changing the language of Setup Utility BIOSDisplaying system information Navigating and selecting in Setup Utility BIOSRestoring factory settings in Setup Utility BIOS Determining the BIOS version Exiting Setup Utility BIOSUpdating the BIOS Downloading a BIOS update 1. Select Start Help and Support MaintainUsing System Diagnostics A Traveling with the computer If you are traveling internationally, follow these suggestions 58 Appendix A Traveling with the computerB Troubleshooting resources C Electrostatic Discharge Symbols/Numerics IndexP passwords