Additional hardware components | HP dv4-2160us specification

Additional hardware components

Component		Description

(1)	Power cord*	Connects an AC adapter to an AC outlet.

(2)	AC adapter	Converts AC power to DC power.

(3)	Battery*	Powers the computer when the computer is not plugged into
		external power.

*Batteries and power cords vary in appearance by country or region.

Components 15

Image 27

HP dv4-2160us manual Additional hardware components

Contents

Page Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Multimedia HP Media Remote Control Select Models Only Drives External media cards 149 Xii Using HP QuickWeb select models only Disabling and enabling HP QuickWeb Starting HP QuickWeb Identifying hardware Features Components Top componentsTouchPad Components Lights Features Buttons, speakers, and fingerprint reader Panel System and Security Power Options Fn key Keys Display Rear component Front components Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Labels Using wireless devices Wireless, local area network, and modem Using the wireless controls Identifying wireless and network status icons Using HP Wireless Assistant Using the wireless button Using operating system controls Using HP Connection Manager select models only Setting up a Wlan Using a Wlan Protecting your Wlan Use a wireless transmitter with built-in security Roaming to another network Connecting to a Wlan Using HP Mobile Broadband select models only Inserting a SIM Removing a SIM Bluetooth and Internet Connection Sharing ICS Using Bluetooth wireless devices select models only Cannot connect to a Wlan Troubleshooting wireless connection problems Cannot connect to a preferred network Network icon is not displayedCurrent network security codes are unavailable Wlan connection is very weak Cannot connect to the wireless router Connecting a modem cable Using the modem select models only Connecting a country-specific modem cable adapter Selecting a location settingViewing the current location selection Select Start Devices and Printers Adding new locations when traveling Check the telephone line type Solving travel connection problems Connecting to a local area network Pointing devices and keyboard Using the TouchPad Connecting an external mouse Setting TouchPad preferences Function Hotkey Using keyboard hotkeys Opening Help and Support Displaying system information Switching the screen image Opening the Print Options windowOpening a Web browser Increasing screen brightness Initiating SleepInitiating QuickLock Decreasing screen brightness Playing 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 DVD Num lk key Using keypads Enabling and disabling the embedded numeric keypad Using the embedded numeric keypadUsing an optional external numeric keypad Switching key functions on the embedded numeric keypad Cleaning the TouchPad and keyboard Multimedia Multimedia features Environmental Notices Identifying your multimedia components Using the MediaSmart button select models only Adjusting the volume Using the media activity hotkeys Multimedia software Using HP MediaSmart softwareUsing other preinstalled multimedia software Installing multimedia software from a disc Connecting external audio devices AudioChecking your audio functions Video Connecting an external monitor or projector Connecting an Hdmi device Configuring audio for Hdmi Watching TV select models only Webcam Troubleshooting Computer does not detect the optical drive Disc does not play automatically Disc does not play DVD movie is not visible on an external display DVD movie stops, skips, or plays erratically Remove any discs from the optical drive Obtaining the latest Windows device drivers Obtaining the latest HP device drivers Component functions HP Mobile Remote Control Select Models Only Button Function Button quick reference Enter key on the computer keyboard Mute Press the button to mute speaker volume Inserting or replacing the battery Troubleshooting HP Media Remote Control Select Models Only Button quick reference ButtonFunction For some multimedia software HP Media Remote Control Select Models Only Inserting or replacing the battery Troubleshooting Initiating and exiting Sleep Power managementSetting power options Using power-saving states Initiating and exiting Hibernation Using the battery meter Selecting a different power plan Using power plansSetting password protection on wakeup Viewing the current power plan Switching between graphics modes select models only Using external AC power Connecting the AC adapter Testing an AC adapter Using battery power Finding battery information in Help and SupportUsing Battery Check Inserting or removing the battery Displaying the remaining battery charge Charging a battery Maximizing battery discharge time Managing low battery levelsIdentifying low battery levels Resolving a low battery level Calibrating a battery Fully charge the batteryDisable Hibernation and Sleep Discharge the battery Fully recharge the batteryReenable Hibernation and Sleep Replacing the battery Conserving battery powerStoring a battery Disposing of a used battery Click Shut down Shutting down the computer Handling drives Drives Optical drive Identifying the installed optical drive DVD±RW/R Using optical discs DVD±R discs Selecting the right discCD-R discs CD-RW discs Playing a CD, DVD, or BD LightScribe DVD+R discsBlu-ray Disc Changing DVD region settings Configuring AutoPlay Copying a CD or DVD Observing the copyright warning Creating burning a CD or DVD Removing an optical disc CD, DVD, or BD Using external drives Using Disk Defragmenter Using Disk CleanupImproving hard drive performance Identifying HP ProtectSmart Hard Drive Protection status Using HP ProtectSmart Hard Drive Protection software Replacing the hard drive Page Page Tighten the hard drive cover screws Replacing the hard drive Replacing a drive in the SmartBay Page Using a USB device Connecting a USB deviceExternal devices Removing a USB device Connecting an eSATA device Using an eSATA device Removing an eSATA device Using the expansion port Using Digital Media Slot cards External media cardsInserting a digital card Removing a digital card Using ExpressCards Configuring an ExpressCardInserting an ExpressCard Page Removing an ExpressCard Memory modules Page Page Page Protecting the computer Security Setting passwords in Windows Using passwords Administrator password Setting passwords in Setup Utility Entering an administrator password Power-on password Using firewall software Using antivirus software Installing an optional security cable Installing critical security updates Locating the fingerprint reader Using the fingerprint reader select models only Registering fingerprints Using your registered fingerprint to log on to Windows Starting Setup Utility Setup Utility Bios Using Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup Utility Security menu Setup Utility menusExiting Setup Utility Main menu Diagnostics menu System Configuration menu Software updates Determining the Bios version Updating the Bios Downloading 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 Restore Restore to a previous date and time Using system restore pointsWhen to create restore points Create a system restore point Recovering from the recovery discs Performing a recovery Index Symbols/Numerics DVD Jacks Ssid Wwan