HP B5A04UAR#ABA manual Specifications, Input power

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12 Specifications

Input power

The power information in this section may be helpful if you plan to travel internationally with the computer.

The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered from a standalone DC power source, it should be powered only with an AC adapter or a DC power source supplied and approved by HP for use with this computer.

The computer can operate on DC power within the following specifications. Operating voltage and current varies by platform.

Input power	Rating

Operating voltage and current	18.5 V dc @ 3.5 A or 19.5 V dc @ 3.33 A – 65 W
	19 V dc @ 4.74 A or 19.5 V @ 4.62 A – 90 W

DC plug of external HP power supply

NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms.

NOTE: The computer operating voltage and current can be found on the system regulatory label.

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Enjoying entertainment features Locating your security software Using passwords Vii Using Setup Utility Bios and System Diagnostics Input power Operating environment Page Starting right Best practicesFun things to do Resource Contents More HP resourcesFinding your hardware and software information Getting to know your computerRight side See Using HP 3D DriveGuard select models only Left side Computer speakers are disabled Display Communication and Chat CyberLink YouCamTop TouchPadLights Buttons and speakers Keys Fn keyBottom Labels Connecting to a network Connecting to a wireless network Using the wireless controlsUsing the wireless button Using HP Connection ManagerUsing operating system controls Using a WlanUsing an Internet service provider Configuring a wireless router Setting up a WlanProtecting your Wlan Using Bluetooth wireless devices select models only Connecting to a WlanConnecting to a wired network Connecting to a local area network LANEnjoying entertainment features Multimedia FeaturesEnjoying entertainment features Using the webcam Using audioUsing video Connecting a VGA monitor or projectorConnecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your photo, audio, and video filesUsing the keyboard and pointing devices Using ALT GR key combinations Using the keyboardUsing the action keys Using the hot keys Function Hot key DescriptionUsing the keypad Using the integrated numeric keypadUsing the TouchPad Turning the TouchPad off or onNavigating SelectingUsing TouchPad gestures Scrolling Pinching/ZoomingRotating Managing power Initiating and exiting Sleep Using Sleep or HibernationInitiating and exiting Hibernation Setting password protection on wakeup Using the power meter Selecting a power plan Removing a user-replaceable battery Running on battery powerFinding battery information Identifying low battery levels Conserving battery powerStoring a user-replaceable battery Disposing of a user-replaceable battery Replacing a user-replaceable batteryRunning on external power HP CoolSense Shutting down the computerConnecting a USB device Using a USB deviceManaging and sharing information Connecting a powered USB device Removing a USB deviceInserting and removing a digital storage card Using optical drives Inserting an optical disc Removing an optical discSharing drives on the network Improving performance Maintaining your computerHandling drives Replacing a hard drive Page Using Disk Defragmenter Using HP 3D DriveGuard select models onlyUsing Disk Cleanup Adding or replacing memory modules Page Page Page Updating programs and drivers Cleaning the display, sides, and cover Cleaning your computerCleaning the TouchPad and keyboard Traveling with or shipping your computer Securing your computer and information Locating your security softwareUsing passwords Setting Windows passwordsUsing Internet security software Setting Setup Utility Bios passwordsInstalling software updates Using antivirus softwareUsing firewall software Installing Windows security updatesUsing an optional security cable lock Securing your wireless networkBacking up your software applications and information Starting Setup Utility Bios Using Setup Utility Bios and System DiagnosticsUpdating the Bios Determining the Bios version Downloading a Bios updateUsing System Diagnostics Backing up, restoring, and recovering Creating backupsCreating recovery media to recover the original system What you need to knowCreating system restore points Creating a system restore pointTips for a successful backup Backing up system and personal informationCreating a backup using Windows Backup and Restore Restore and recovery Restoring to a previous system restore pointRecovering the original system using HP Recovery Manager Restoring specific files using Windows Backup and RestoreRecovering using HP Recovery partition select models only Recovering using the recovery mediaChanging the computer boot order Specifications Input powerOperating environment Troubleshooting and support Disc drive problems TroubleshootingWireless connection problems Cannot connect to a preferred network Cannot connect to a WlanCurrent network security codes are unavailable Cannot connect to the wireless router Wlan connection is very weakPower management problems Audio problemsNetwork status icon is not displayed Resolving a low battery level Troubleshooting an AC adapterContacting customer support Electrostatic Discharge Bios IndexWlan