Manuals / HP / Computer Equipment / Laptop

HP CQ57-310US, CQ57-439WM, CQ57-489CA, CQ57-489WM, CQ57-339WM, CQ57-315NR B Troubleshooting resources

Models: CQ57-439WM

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B Troubleshooting resources

●Access Web site links and additional information about the computer through Help and Support. Select Start > Help and Support.

NOTE: Some checkup and repair tools require an Internet connection. HP also provides additional tools that do not require an Internet connection.

●Contact HP Customer Support at http://www.hp.com/go/contactHP.

NOTE: For worldwide support, click Contact HP worldwide on the left side of the page, or go to http://welcome.hp.com/country/us/en/wwcontact_us.html.

Choose from the following types of support:

◦Chat online with an HP technician.

NOTE: When chat is not available in a particular language, it is available in English.

◦E-mail HP Customer Support.

◦Find HP Customer Support worldwide telephone numbers.

◦Locate an HP service center.

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HP CQ57-310US, CQ57-439WM, CQ57-489CA, CQ57-489WM, CQ57-339WM, CQ57-315NR, CQ57-319WM, CQ57-314NR B Troubleshooting resources

Contents

Reference Guide HP NotebookProduct notice Safety warning notice iv Safety warning notice Table of contents Audio Replacing the battery 8 Maintenance 9 Setup Utility BIOS and System Diagnostics7 Security Exiting Setup Utility BIOS Restoring factory settings in Setup Utility BIOSUpdating the BIOS Determining the BIOS versionPage Finding more information about your new computer 1 IntroductionIdentifying wireless and network status icons Creating a wireless connection2 Networking select models only Wireless-Refer to Creating a wireless connection on pageUsing HP Connection Manager select models only Turning wireless devices on or offUsing operating system controls Using a WLAN select models onlyConnecting to an existing WLAN Setting up a new WLANProtecting your WLAN Using HP Mobile Broadband select models only Roaming to another networkInserting a SIM Removing a SIM Using GPS select models onlyConnecting to a wired network Using Bluetooth wireless devices select models onlyBluetooth and Internet Connection Sharing ICS Using a modem select models onlyConnecting a country- or region-specific modem cable adapter Connecting a modem cableAdding new locations when traveling Selecting a location settingViewing the current location selection 1. Select Start Control Panel 2. Click Clock, Language, and Region1. Select Start Devices and Printers Connecting to a local area network LAN select models only12 Chapter 2 Networking select models only Using the media activity controls 3 MultimediaAudio 1. Select Start All Programs Accessories Sound Recorder Adjusting the volumeWebcam select models only Checking audio functions on the computerDisplayPort VideoHDMI Using CyberLink PowerDVD select models only Intel Wireless Display select models onlyConfiguring audio for HDMI 4 Power management Shutting down the computer2. Select Start Shut down Using power-saving states Setting power optionsInitiating and exiting Sleep Initiating and exiting HibernationUsing power plans Using the power meterViewing the current power plan Selecting a different power planSetting password protection on wakeup Using HP Power Manager select models onlyCustomizing power plans 1. Select Start Control Panel System and Security Power OptionsUsing battery power Finding battery informationUsing Battery Check Maximizing battery discharge time Displaying the remaining battery chargeManaging low battery levels Identifying low battery levelsStoring a battery Conserving battery powerResolving a low battery level Resolving a low battery level when external power is availableUsing external AC power Disposing of a used batteryReplacing the battery Testing an AC adapter Using HP CoolSense select models onlyUsing Digital Media Slot cards select models only 5 External cards and devicesInserting a digital card Configuring an ExpressCard Using ExpressCards select models onlyRemoving a digital card Inserting an ExpressCardRemoving an ExpressCard Inserting a smart card Using smart cards select models onlyUsing a USB device Connecting a USB deviceRemoving a smart card Using 1394 devices select models only Connecting a 1394 deviceRemoving a USB device Using an eSATA device select models only Connecting an eSATA deviceRemoving a 1394 device Using optional external drives Using optional external devicesUsing the expansion port select models only Removing an eSATA deviceUsing optional external devices Handling drives 6 DrivesUsing HP 3D DriveGuard select models only Using hard drivesUsing Disk Defragmenter Using Disk CleanupUsing HP 3D DriveGuard software Managing power with a parked hard driveIdentifying HP 3D DriveGuard status 1. Select Start Control Panel Hardware and Sound HP 3D DriveGuardIdentifying the installed optical drive select models only Using optical drives select models onlyInserting an optical disc Tray loadRemoving an optical disc Slot loadTray load When the disc tray fails to open normally When the disc tray opens normallySlot load Using RAID select models only Sharing optical drives3. Select the Sharing tab Advanced Sharing Using passwords 7 SecurityProtecting the computer Setting passwords in Windows Setting passwords in Setup Utility BIOSAfter you set a user or administrator password, follow these Entering an administrator password Managing an administrator passwordUsing firewall software Using antivirus softwareManaging a power-on password Entering a power-on passwordInstalling an optional security cable Installing critical security updatesLocating the fingerprint reader Using the fingerprint reader select models onlyCleaning your computer 8 MaintenanceCleaning the display Cleaning the sides and coverUsing SoftPaq Download Manager Using Setup Utility BIOS 9 Setup Utility BIOS and System DiagnosticsStarting Setup Utility BIOS Changing the language of Setup Utility BIOSNavigating and selecting in Setup Utility BIOS Restoring factory settings in Setup Utility BIOSDisplaying system information Exiting Setup Utility BIOS Updating the BIOSDetermining the BIOS version 1. Select Start Help and Support Maintain Downloading a BIOS updateUsing System Diagnostics A Traveling with the computer 58 Appendix A Traveling with the computer If you are traveling internationally, follow these suggestionsB Troubleshooting resources C Electrostatic Discharge Index Symbols/NumericsP passwords