HP C310EA, C305LA, C310EU, C303NR, C300EU Battery packs, Inserting or removing a battery pack

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Battery packs

When a charged battery pack is in the computer and the computer is not plugged into external power, the computer runs on battery power. When the computer is plugged into external AC power, the computer runs on AC power.

If the computer contains a charged battery pack and is running on external AC power supplied through the AC adapter, the computer switches to battery power if the AC adapter is disconnected from the computer.

You can keep a battery pack in the computer or in storage, depending on how you work. Keeping the battery pack in the computer whenever the computer is plugged into external AC power enables the battery pack to charge and also protects your work in case of a power outage. However, a battery pack in the computer slowly discharges when the computer is turned off and not plugged into external power.

Inserting or removing a battery pack

CAUTION To prevent loss of information when removing a battery pack that is the sole power source, initiate hibernation or turn off the computer before removing the battery pack.

To insert a battery pack:

NOTE Battery packs may vary in appearance.

1.Turn the computer upside down on a flat surface with the battery bay to the left.

2.Insert the battery pack into the battery bay (1) and rotate it until it is seated (2). The battery pack release latch automatically locks the battery into place.

To remove a battery pack:

1.Turn the computer upside down with the battery bay to the left.

2.Slide the battery pack release latch (1) to release the battery pack.

40 Chapter 3 Power

ENWW

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Contents Page First Edition July Document Part Number Table of contents Power Drives MultimediaExternal Devices Memory ModulesComponents Select Hardware tab Device ManagerTop components KeysTouchPad Buttons and switches Lights Front components Display componentsRear components Right-side components Left-side components Bottom components Wireless antennae select models only Additional hardware components Labels Rated input power SpecificationsOperating environment TouchPad and Keyboard TouchPadUsing an external mouse Using the TouchPadSetting TouchPad preferences Keyboard HotkeysHotkey quick reference Hotkey proceduresDisplay and clear system information fn+esc Open the Print Options window fn+f2 Open the Help and Support Center fn+f1Open a Web browser fn+f3 Switch the screen image fn+f4 Initiate standby fn+f5Increase screen brightness fn+f8 Initiate QuickLock fn+f6Decrease screen brightness fn+f7 Play, pause or resume an audio CD or a DVD fn+f9Setting tiling preferences Accessing the Quick Launch Buttons control panelQuick Launch Buttons software Setting advanced preferences Displaying the Quick Launch Buttons iconSetting button assignments on an external keyboard Keypads Using the embedded numeric keypadEnabling and disabling the embedded numeric keypad Switching key functions on the embedded numeric keypad Using an external numeric keypadEnabling or disabling num lock mode as you work Power Power control and light locationsPower Power sources Task Recommended power sourceConnecting the AC adapter Standby Standby and hibernationHibernation When a reliable power supply is unavailable When you leave your workInitiating standby, hibernation or shutdown Enww Using emergency shutdown procedures Default power settingsTurning the computer or display on or off Initiating or resuming from standby Select Start Turn Off Computer Stand byInitiating or restoring from hibernation HibernateAccessing Power Options Properties Power optionsDisplaying the Power Meter icon Setting or changing a power scheme Setting a security promptProcessor performance while on battery power Processor performance controlsBattery packs Inserting or removing a battery packCharging a battery pack Obtaining accurate charge information Monitoring the charge of the battery packInterpreting charge indicators Displaying charge information on the screenLow-battery condition Managing low-battery conditionsIdentifying low-battery conditions Critical low-battery conditionWhen a charged battery pack is available Resolving low-battery conditionsWhen external power is available When no power source is availableHow to calibrate Calibrating a battery packWhen to calibrate Charging the battery packDischarging the battery pack Conserving power as you work Conserving battery powerRecharging the battery pack Disposing of a used battery pack Storing a battery packSelecting power conservation settings Drives Drive careIDE drive light Hard drive Enww Tighten the hard drive cover screws Optical drives DVD-ROM CD-RW DVD±RW/RInserting an optical disc Removing an optical disc with power Removing an optical disc without power Avoiding standby or hibernation Identifying the installed optical drive Using the optical driveMultimedia hardware Inserting an optical disc Removing an optical disc with power Removing an optical disc without power Using media activity hotkeys Using the audio-in microphone jack Using the audio featuresUsing the audio-out headphone jack Adjusting the volume Using the video features Using the external monitor portUsing the S-Video-out jack Installing multimedia software from a CD select models only Identifying preinstalled multimedia softwareMultimedia software Using multimedia software Protecting playback Protecting the CD or DVD write processChanging DVD region settings Observing the copyright warningUsing a USB device Connecting a USB deviceStopping a USB device Required USB softwareMemory Modules Adding or replacing memory modulesAdding or replacing memory modules Enww Effects of increasing memory Index Keyboard WlanUSB
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C318LA, C310EU, C350EU, C302NR, C300EU specifications

The HP C305LA, C310EA, C399XX, C300, and C303NR are part of HP's diverse lineup of laptops, catering to different user needs with their unique features and specifications. Each model offers a blend of power, performance, and portability, making them suitable for various applications, from casual use to more demanding tasks.

Starting with the HP C305LA, this model is a well-rounded laptop that targets the everyday user with solid performance and reliable functionality. It features a powerful Intel processor, ensuring that multitasking and routine applications run smoothly. With its vibrant display and integrated graphics, the C305LA is suitable for streaming media and light gaming. Additionally, it boasts a durable design, making it an excellent choice for students and professionals who require a dependable machine for daily use.

Next, the HP C310EA brings a bit more to the table with its enhanced specifications. It is equipped with an upgraded processor, providing users with faster performance and improved efficiency. The C310EA also features an ergonomic keyboard and a spacious touchpad, providing an enhanced user experience for both typing and navigation. With its increased storage capacity, users can store their files, documents, and media without worrying about running out of space.

The C399XX stands out with its sleek design and portability. This model is ideal for users on the go, featuring a lightweight chassis and a dependable battery life. Performance-wise, the C399XX comes with advanced technology that supports robust applications, thus catering to creative professionals and casual users alike. The high-definition display ensures clear and vibrant visuals, making it perfect for multimedia consumption.

Meanwhile, the HP C300 is tailored for budget-conscious consumers who still require functionality. Equipped with essential features, the C300 is designed for basic tasks like web browsing, document editing, and media playback. Its compact design makes it easy to take anywhere, while its reliable performance ensures that common usage scenarios are adequately covered.

Finally, the HP C303NR offers a balance of performance and affordability, making it a great option for students and families. This model provides good processing power coupled with sufficient RAM, allowing for smooth operation of everyday software. The C303NR's long-lasting battery life appeals to users who require extended usability without frequent recharging.

In conclusion, the HP C305LA, C310EA, C399XX, C300, and C303NR each present a variety of features tailored to meet diverse user needs. Whether for personal, educational, or professional use, these models highlight HP's commitment to providing reliable and innovative computing solutions.
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