HP CQ35-406TX, CQ35-304TU Identifying batteries, Finding battery information in Help and Support

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You can keep a battery in the computer or in storage, depending on how you work. Keeping the battery in the computer whenever the computer is plugged into AC power charges the battery and also protects your work in case of a power outage. However, a battery in the computer slowly discharges when the computer is off and unplugged from external power.

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

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.

Identifying batteries

The computer can support 2 batteries:

●One lithium-ion battery is included with the computer.

●An optional accessory battery can be attached to the bottom of the computer.

Finding battery information in Help and Support

Help and Support provides the following tools and information about the battery:

●Battery Check tool to test battery performance

●Information on calibration, power management, and proper care and storage to maximize battery life

●Information on battery types, specifications, life cycles, and capacity

To access battery information:

▲Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions.

Using Battery Check

Help and Support provides information on the status of the battery installed in the computer.

To run Battery Check:

1.Connect the AC adapter to the computer.

NOTE: The computer must be connected to external power for Battery Check to function properly.

2.Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical.

3.Click the Power tab, and then click Battery Check.

Battery Check examines the battery and its cells to see if they are functioning properly, and then reports the results of the examination.

Displaying the remaining battery charge

▲Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar.

Using battery power 59

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Power management Drives External media cards 120 Identifying the hardware Top componentsTouchPad Lights Buttons and fingerprint reader select models only Panel System and Security Power Options Keys Front componentsRight-side components Left-side components Bottom components Display components Wireless antennasAdditional hardware components Identifying the labels Page Wireless and local area network Identifying wireless and network status icons Using wireless devicesUsing the wireless controls Using the wireless buttonUsing Wireless Assistant software select models only Using operating system controls Using a Wlan Setting up a WlanProtecting your Wlan Use a wireless transmitter with built-in security Connecting to a WlanRoaming to another network Inserting a SIM Using HP Mobile Broadband select models onlyPage Page Removing a SIM Page Bluetooth and Internet Connection Sharing ICS Using Bluetooth wireless devices select models onlyCannot connect to a Wlan Troubleshooting wireless connection problemsCannot connect to a preferred Wlan network Network icon is not displayedCurrent Wlan network security codes are unavailable Wlan connection is very weak Cannot connect to the wireless routerConnecting to a local area network LAN Setting pointing device preferences Using pointing devicesUsing the TouchPad Pointing devices and keyboardPinching select models only Rotating select models onlyUsing hotkeys Function Hotkey Description Fn+f5 Fn+f9 Using keypadsEnabling and disabling the embedded numeric keypad Using the embedded numeric keypadCleaning the TouchPad and keyboard Using an optional external numeric keypadSwitching key functions on the embedded numeric keypad Multimedia features MultimediaIdentifying your multimedia components Multimedia features Adjusting the volume Using the media activity hotkeys Using the media activity functionsUsing multimedia software Installing multimedia software from a discMultimedia software Connecting external audio devices AudioChecking your audio functions Page Connecting an external monitor or projector Connecting an Hdmi deviceVideo Configuring audio for Hdmi select models only Webcam Adjusting webcam propertiesDisc tray does not open for removal of a disc TroubleshootingComputer does not detect the optical drive Disc does not play Disc does not play automatically Movie stops, skips, or plays erraticallyMovie is not visible on an external display Obtaining the latest HP device drivers Obtaining the latest Windows device drivers Setting power options Power managementUsing power-saving states Initiating and exiting SleepInitiating and exiting Hibernation Using the battery meterSetting password protection on wakeup Using power plansViewing the current power plan Selecting a different power planConnecting the AC adapter Using external AC powerTesting an AC adapter Using battery powerUsing Battery Check Finding battery information in Help and SupportDisplaying the remaining battery charge Identifying batteriesInserting or removing the battery Charging a battery Managing low battery levels Maximizing battery discharge timeIdentifying low battery levels Resolving a low battery levelFully charge the battery Calibrating a batteryDischarge the battery Disable Hibernation and SleepConserving battery power Fully recharge the batteryReenable Hibernation and Sleep Disposing of a used battery Storing a batteryReplacing the battery Shutting down the computerClick Shut down Identifying installed drives DrivesHandling drives Identifying the installed optical drive Using an optical driveSelecting the right disc CDs, DVDs, and BDs Using optical discsCD-RW discs CD-R discsDVD±R discs DVD±RW discsPlaying a CD, DVD, or BD Configuring AutoPlayObserving the copyright warning Changing DVD region settingsCreating burning a CD or DVD Copying a CD or DVDUsing Disk Defragmenter Improving hard drive performanceRemoving an optical disc CD, DVD, or BD Using HP ProtectSmart Hard Drive Protection Using Disk CleanupIdentifying HP ProtectSmart Hard Drive Protection status Replacing the hard drive Using HP ProtectSmart Hard Drive Protection softwarePage Page Close the cover Tighten the 3 hard drive cover screws Drives Connecting a USB device Using a USB deviceExternal devices Removing a USB devicePage Using an eSATA device Connecting an eSATA deviceRemoving an eSATA device External media cards Inserting a digital card Using Digital Media Slot cardsRemoving a digital card Using ExpressCards Configuring an ExpressCardInserting an ExpressCard Removing an ExpressCard Using ExpressCards Memory modules Adding or replacing memory modules Page Page Upgrading a memory module in the primary memory module slot Page Page Security Protecting the computer Computer risk Security featureSetting passwords in Windows Using passwordsAdministrator password Setting passwords in Setup UtilityManaging an administrator password Power-on passwordManaging a power-on password Using antivirus software Using firewall software Installing critical security updates Using the fingerprint reader select models only Installing an optional security cableRegistering fingerprints Locating the fingerprint readerUsing your registered fingerprint to log on to Windows Setup Utility Starting Setup Utility Using Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup Utility Exiting Setup UtilityDisplaying system information Page System Configuration menu Setup Utility MenusMain menu Security menuPrimary Hard Disk Self Test Diagnostics menuSoftware updates Updating the Bios Determining the Bios versionDownloading a Bios update Page Updating programs and drivers Index Symbols/NumericsDVD SIM SIM

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