HP C315LA, C310EA, C305LA, C310EU, C303NR, C300EU, C304NR, C301NR, C302NR manual Connecting the AC adapter

Page 36

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. It is possible to receive an electric shock from a system that is not properly grounded.

To connect the computer to external AC power:

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

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

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

30 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 Specifications Rated input powerOperating environment TouchPad and Keyboard TouchPadUsing the TouchPad Using an external mouseSetting TouchPad preferences Keyboard HotkeysHotkey procedures Hotkey quick referenceDisplay and clear system information fn+esc Open the Help and Support Center fn+f1 Open the Print Options window fn+f2Open a Web browser fn+f3 Switch the screen image fn+f4 Initiate standby fn+f5Initiate QuickLock fn+f6 Decrease screen brightness fn+f7Increase screen brightness fn+f8 Play, pause or resume an audio CD or a DVD fn+f9Accessing the Quick Launch Buttons control panel Setting tiling preferencesQuick Launch Buttons software Setting advanced preferences Displaying the Quick Launch Buttons iconSetting button assignments on an external keyboard Using the embedded numeric keypad KeypadsEnabling and disabling the embedded numeric keypad Using an external numeric keypad Switching key functions on the embedded 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 and hibernation StandbyHibernation When you leave your work When a reliable power supply is unavailableInitiating standby, hibernation or shutdown Enww Default power settings Using emergency shutdown proceduresTurning the computer or display on or off Initiating or resuming from standby Select Start Turn Off Computer Stand byInitiating or restoring from hibernation HibernatePower options Accessing Power Options PropertiesDisplaying 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 Monitoring the charge of the battery pack Interpreting charge indicatorsObtaining accurate charge information Displaying charge information on the screenManaging low-battery conditions Identifying low-battery conditionsLow-battery condition Critical low-battery conditionResolving low-battery conditions When external power is availableWhen a charged battery pack is available When no power source is availableCalibrating a battery pack When to calibrateHow to calibrate Charging the battery packDischarging the battery pack Conserving battery power Conserving power as you workRecharging the battery pack Storing a battery pack Disposing of a used 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 Using the optical drive Identifying the installed 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 features Using the audio-in microphone jackUsing the audio-out headphone jack Adjusting the volume Using the video features Using the external monitor portUsing the S-Video-out jack Identifying preinstalled multimedia software Installing multimedia software from a CD select models onlyMultimedia 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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