HP 4440s manual Using external AC power, Disposing of a used battery, Replacing the battery

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NOTE: A stored battery should be checked every 6 months. If the capacity is less than 50 percent, recharge the battery before returning it to storage.

Calibrate a battery before using it if it has been stored for one month or more.

Disposing of a used battery

WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short external contacts; do not dispose of in fire or water.

Refer to the Regulatory, Safety, and Environmental Notices for battery disposal information.

Replacing the battery

Computer battery life varies, depending on power management settings, programs running on the computer, display brightness, external devices connected to the computer, and other factors.

You can find details about the battery by clicking the Battery icon in the notification area at the far right of the taskbar, and then click Laptop Battery.

NOTE: To ensure that you always have battery power when you need it, HP recommends purchasing a new battery when the storage capacity indicator turns green-yellow.

Using external AC power

NOTE: For information on connecting to AC power, refer to the Setup Instructions poster provided in the computer box.

External AC power is supplied through an approved AC adapter or an optional docking or expansion device.

WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.

Connect the computer to external AC power under any of the following conditions:

WARNING! Do not charge the battery while you are onboard aircraft.

●When you are charging or calibrating a battery

●When you are installing or modifying system software

●When writing information to a CD or DVD

When you connect the computer to external AC power, the following events occur:

●The battery begins to charge.

●If the computer is turned on, the Battery icon in the notification area changes appearance. When you disconnect external AC power, the following events occur:

●The computer switches to battery power.

●The display brightness is automatically decreased to save battery life.

Using external AC power 47

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Contents HP Notebook Product notice Safety warning notice Iv Safety warning notice Table of contents VGA Hdmi Drives Performing a system recovery Backing up your information Input power Operating environment Index Welcome Resources For information about Finding informationFinding information Getting to know your computer TopTouchPad Top LightsGetting to know your computer Buttons, speakers, and fingerprint reader select models only Getting to know your computer Top Fn key KeysAlternates between the navigational and numeric functions Front Right RightGetting to know your computer Left LeftBattery reaches a critical battery level, Display DisplayGetting to know your computer Bottom Identifying the bottom parts of the computer Identifying the bottom parts of the computer Networking Identifying wireless and network status icons Using an Internet service provider ISPCreating a wireless connection Turning wireless devices on and offConnecting to an existing Wlan Using a WlanProtecting your Wlan Setting up a new WlanRoaming to another network Using Bluetooth wireless devices select models only Connecting to a wired networkConnecting to a local area network LAN select models only Page Using the keyboard Keyboard and pointing devicesIdentifying the hot keys Using the embedded numeric keypad Using keypadsUsing an optional external numeric keypad Using the integrated numeric keypadUsing the TouchPad Turning the TouchPad off and onNavigating Selecting Using TouchPad gesturesSetting pointing device preferences ScrollingPinching/Zooming Multimedia Using the audio featuresChecking your audio functions Adjusting the volumeUsing video devices Using the Webcam select models onlySelect Configure Display Settings Click Detect Monitors Hdmi Configuring audio for HdmiSetting power options Power managementUsing power-saving states Shutting down the computerInitiating and exiting Hibernation Initiating and exiting SuspendUsing the Power icon Using battery powerUsing power management Viewing the current power management settingsInserting or removing the battery Displaying the remaining battery chargeCharging a battery Maximizing battery life Managing low battery levelsIdentifying low battery levels Conserving battery power Storing a batteryResolving a low battery level Using external AC power Disposing of a used batteryReplacing the battery Testing an AC adapter Handling drives DrivesRemoving or replacing the service door Using the optional security screwReplacing the service door Removing the service doorPage Removing the hard drive Replacing or upgrading the hard drivePage Installing a hard drive Replace the four hard drive screws Identifying the installed optical drive Using optical drives select models onlyInserting an optical disc Tray-loadRemoving an optical disc When the disc tray opens normallyWhen the disc tray fails to open External cards and devices Using Media Card Reader cards select models onlyInserting a digital card Removing a digital cardUsing a USB device Removing a USB device Connecting a USB deviceUsing optional external drives Using optional external devicesMemory modules Page Page Protecting the computer SecurityUsing passwords Setting passwords in the operating systemSetting passwords in Computer Setup Entering a Bios administrator password Managing a Bios administrator passwordManaging a Computer Setup DriveLock password Managing a DriveLock passwordEntering a DriveLock password Managing an Automatic DriveLock password Using Computer Setup Automatic DriveLockUsing firewall software Installing an optional security cable Using the fingerprint reader select models only Enabling fingerprint authentication during logonEnrolling your fingerprint Performing a system recovery Backup and RecoveryBacking up your information Starting Computer Setup Computer Setup Bios and Advanced System DiagnosticsUsing Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Updating the Bios Determining the Bios versionDownloading a Bios update Using Advanced System Diagnostics About the boot device order MultiBootEnabling boot devices in Computer Setup Considering boot order changes Choosing MultiBoot preferences Setting a new boot order in Computer SetupDynamically choosing a boot device using the f9 prompt Entering MultiBoot Express preferences Setting a MultiBoot Express promptTroubleshooting Troubleshooting and supportComputer is unable to start up Computer screen is blankComputer is on but not responding Wireless network connection is not workingComputer is unusually warm An external device is not workingOptical disc tray does not open for removal of a CD or DVD Computer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting customer support Component LabelsCleaning products Cleaning your computerCleaning the display Cleaning proceduresCleaning the sides and cover Cleaning the TouchPad and keyboardInput power SpecificationsOperating environment Electrostatic discharge USB IndexWlan VGA

4440s specifications

The HP Compaq 4440s is a laptop that caters to the needs of business professionals and students who require a balance between performance, durability, and portability. Known for its reliable build quality and essential features, the 4440s stands out as a solid choice in the competitive market of business laptops.

At the core of the HP 4440s is Intel's third-generation Core processor, providing a range of options from i3 to i7, ensuring that users can select a model tailored to their processing power needs. This flexibility allows users to experience robust performance for multitasking and running demanding applications while maintaining efficiency in power consumption.

One of the most significant characteristics of the 4440s is its durability. The laptop is designed with a magnesium-aluminum chassis that enhances structural integrity and helps protect internal components. Moreover, the spill-resistant keyboard adds an extra layer of security against accidental liquid damage, making it suitable for use in various environments.

Display features include a 14-inch LED-backlit screen, with options for HD (1366x768) or HD+ (1600x900) resolutions. This provides users with clear visuals, whether they're working on documents, watching videos, or conducting presentations. The integrated Intel HD Graphics offers sufficient power for everyday tasks and light graphic-intensive applications.

The laptop supports various connectivity options to meet modern demands. With USB 3.0 ports, users can experience faster data transfer rates, which is essential for professionals dealing with large files. Additionally, the presence of an HDMI port allows for easy connection to external displays and monitors, perfect for presentations and collaborative work.

For secure data management, the HP 4440s offers a Trusted Platform Module (TPM) and compatibility with HP Security Manager software. This ensures that sensitive information remains protected through strong encryption methods, making it an appropriate choice for enterprises concerned about data security.

In terms of battery life, the HP 4440s can deliver several hours of usage on a single charge, providing users with the freedom to work without interruption during long meetings or travels. Its lightweight design enhances portability, making it easy for professionals to carry it with them on the go.

In summary, the HP Compaq 4440s combines power, durability, and essential features to meet the needs of business users. With its strong performance, excellent build quality, and focus on security, it remains a competent choice for those who seek a functional and reliable laptop.
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