HP CQ41-212TX, CQ41-205TX, CQ41-204TX, CQ41-206TX, CQ41-207TX, CQ41-224TX Connecting the AC adapter

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Connecting the AC adapter

WARNING! To reduce the risk of electric shock or damage to the equipment:

Plug the power cord into an AC outlet that is easily accessible at all times.

Disconnect power from the computer by unplugging the power cord from the AC outlet (not by unplugging the power cord from the computer).

If provided with a 3-pin attachment plug on the power cord, plug the cord into a grounded (earthed) 3- pin outlet. Do not disable the power cord grounding pin, for example, by attaching a 2-pin adapter. The grounding pin is an important safety feature.

To connect the computer to external AC power:

1.Plug the AC adapter into the power connector (1) on the computer.

2.Plug the power cord into the AC adapter (2).

3.Plug the other end of the power cord into an AC outlet (3).

Using external AC power 61

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Contents Page Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Multimedia Drives External devices and external media cards 117 Identifying hardware FeaturesTouchPad ComponentsTop components Components LightsFeatures Buttons and speakers Panel System and Security Power OptionsFn key KeysDisplay Rear component Front componentsRight-side components Left-side components Bottom components Wireless antennas Additional hardware components Labels Using wireless devices Wireless, local area network, and modemUsing the wireless button Identifying wireless and network status iconsUsing the wireless controls Using operating system controls Using HP Wireless AssistantSetting up a Wlan Using a WlanWork behind a firewall Use a wireless transmitter with built-in securityUse wireless encryption Protecting your WlanRoaming to another network Connecting to a WlanBluetooth and Internet Connection Sharing ICS Using Bluetooth wireless devices select models onlyCannot connect to a Wlan Troubleshooting wireless connection problemsCurrent network security codes are unavailable Cannot connect to a preferred networkNetwork icon is not displayed Wlan connection is very weak Cannot connect to the wireless routerConnecting a modem cable Using the modem select models onlyViewing the current location selection Connecting a country-specific modem cable adapterSelecting a location setting Select Start Devices and Printers Adding new locations when travelingSet the modem to ignore dial tones Solving travel connection problemsCheck the telephone line type Check for pulse or tone dialingClear the check box for Wait for dial tone before dialing Connecting to a local area networkPointing devices and keyboard Using the TouchPadConnecting an external mouse Setting TouchPad preferencesFunction Hotkey Using keyboard hotkeysOpening Help and Support Displaying system informationOpening a Web browser Switching the screen imageOpening the Print Options window Increasing screen brightness Initiating SleepInitiating QuickLock Decreasing screen brightnessPlaying next track or section of an audio CD or a DVD Playing, pausing or resuming an audio CD or a DVDStopping an audio CD or a DVD Playing previous track or section of an audio CD or a DVDNum lk key Using keypadsEnabling and disabling the embedded numeric keypad Using the embedded numeric keypadUsing an optional external numeric keypad Switching key functions on the embedded numeric keypadCleaning the TouchPad and keyboard Multimedia Multimedia featuresEnvironmental Notices Identifying your multimedia componentsClick Customize notification icons Adjusting the volumeUsing the media activity hotkeys Multimedia software Using DVD Play softwareUsing other preinstalled multimedia software Installing multimedia software from a discChecking your audio functions Connecting external audio devicesSelect Start All Programs Accessories Sound Recorder AudioVideo Connecting an external monitor or projectorConnecting an Hdmi device Configuring audio for Hdmi Webcam tips Webcam select models onlyAdjusting webcam properties Troubleshooting Computer does not detect the optical drive Disc does not play automatically Select Advanced Settings Monitor tabDisc does not play DVD movie is not visible on an external display DVD movie stops, skips, or plays erraticallyRemove any discs from the optical drive Obtaining the latest Windows device drivers Obtaining the latest HP device driversInitiating and exiting Sleep Power managementSetting power options Using power-saving statesInitiating and exiting Hibernation Using the battery meterSelecting a different power plan Using power plansSetting password protection on wakeup Viewing the current power planUsing external AC power Connecting the AC adapter Testing an AC adapter Using Battery Check Using battery powerFinding battery information in Help and Support Inserting or removing the battery Displaying the remaining battery chargeCharging a battery Identifying low battery levels Maximizing battery discharge timeManaging low battery levels Resolving a low battery level Disable Hibernation and Sleep Calibrating a batteryFully charge the battery Reenable Hibernation and Sleep Discharge the batteryFully recharge the battery Replacing the battery Conserving battery powerStoring a battery Disposing of a used batteryClick Shut down Shutting down the computerHandling drives DrivesSelect Start Computer Identifying the installed optical driveOptical drive DVD±RW/R Using optical discsDVD±R discs Selecting the right discCD-R discs CD-RW discsBlu-ray Disc Playing a CD, DVD, or BDLightScribe DVD+R discs Select Start Default Programs Change AutoPlay settings Configuring AutoPlayChanging DVD region settings Copying a CD or DVD Select Start All Programs CyberLink DVD Suite Power2GoObserving the copyright warning Creating burning a CD or DVD Removing an optical disc CD, DVD, or BD Removing the optical drive Using external drives Improving hard drive performance Using Disk DefragmenterUsing Disk Cleanup Replacing the hard drive Page Page Tighten the hard drive cover screws Replacing the hard drive External devices and external media cards Using a USB deviceConnecting a USB device Removing a USB device Inserting a digital card Using Digital Media Slot cardsRemoving a digital card Memory modules Page Page Page Protecting the computer SecuritySetting passwords in Windows Using passwordsAdministrator password Setting passwords in Setup UtilityEntering an administrator password Power-on passwordUsing firewall software Using antivirus softwareInstalling an optional security cable Installing critical security updatesStarting Setup Utility Setup Utility BiosNavigating and selecting in Setup Utility Using Setup UtilityChanging the language of Setup Utility Restoring default settings in Setup Utility Security menu Setup Utility menusExiting Setup Utility Main menuDiagnostics menu System Configuration menuSoftware updates Determining the Bios version Updating the BiosDownloading a Bios update Updating programs and drivers Backup and recovery Creating recovery discs Backing up your information Select Start All Programs Maintenance Backup and Restore Using Windows Backup and RestoreRestore to a previous date and time Using system restore pointsWhen to create restore points Create a system restore pointClick System Recovery in the Recovery Manager window Performing a recoveryRecovering from the recovery discs Select Start All Programs Recovery Manager Recovery ManagerIndex Symbols/NumericsJacks Ssid Page Wlan label 14 Wlan module 11 writable media Index

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