HP B5A04UAR#ABA manual Input power Operating environment

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12	Specifications	78
	Input power	78
	Operating environment	79
13 Troubleshooting and support		80
	Troubleshooting	81
	Disc drive problems	81
	Wireless connection problems	81
	Cannot connect to a WLAN	82
	Cannot connect to a preferred network	82
	Current network security codes are unavailable	82
	WLAN connection is very weak	83
	Cannot connect to the wireless router	83
	Network status icon is not displayed	84
	Audio problems	84
	Power management problems	84
	Resolving a low battery level	85
	Resolving a low battery level when external power is available	85
	Resolving a low battery level when no power source is available ....	85
	Resolving a low battery level when the computer cannot exit
	Hibernation	85
	Troubleshooting an AC adapter	85
	Contacting customer support	86
14	Electrostatic Discharge	87
Index		88

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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 Best practices Starting rightFun things to do More HP resources Resource ContentsGetting to know your computer Finding your hardware and software informationRight side See Using HP 3D DriveGuard select models only Left side Computer speakers are disabled Communication and Chat CyberLink YouCam DisplayTouchPad TopLights Buttons and speakers Fn key KeysBottom Labels Connecting to a network Using the wireless controls Connecting to a wireless networkUsing the wireless button Using HP Connection ManagerUsing a Wlan Using operating system controlsUsing an Internet service provider Setting up a Wlan Configuring a wireless routerProtecting your Wlan Connecting to a Wlan Using Bluetooth wireless devices select models onlyConnecting to a local area network LAN Connecting to a wired networkMultimedia Features Enjoying entertainment featuresEnjoying entertainment features Using audio Using the webcamConnecting a VGA monitor or projector Using videoConnecting an Hdmi TV or monitor Managing your photo, audio, and video files Configuring audio settings with Hdmi TVUsing the keyboard and pointing devices Using the keyboard Using ALT GR key combinationsUsing the action keys Function Hot key Description Using the hot keysUsing the integrated numeric keypad Using the keypadTurning the TouchPad off or on Using the TouchPadSelecting NavigatingUsing TouchPad gestures Pinching/Zooming ScrollingRotating Managing power Using Sleep or Hibernation Initiating and exiting SleepInitiating and exiting Hibernation Setting password protection on wakeup Using the power meter Selecting a power plan Running on battery power Removing a user-replaceable batteryFinding battery information Conserving battery power Identifying low battery levelsStoring a user-replaceable battery Replacing a user-replaceable battery Disposing of a user-replaceable batteryRunning on external power Shutting down the computer HP CoolSenseUsing a USB device Connecting a USB deviceManaging and sharing information Removing a USB device Connecting a powered USB deviceInserting and removing a digital storage card Using optical drives Removing an optical disc Inserting an optical discSharing drives on the network Maintaining your computer Improving performanceHandling drives Replacing a hard drive Page Using HP 3D DriveGuard select models only Using Disk DefragmenterUsing Disk Cleanup Adding or replacing memory modules Page Page Page Updating programs and drivers Cleaning your computer Cleaning the display, sides, and coverCleaning the TouchPad and keyboard Traveling with or shipping your computer Locating your security software Securing your computer and informationSetting Windows passwords Using passwordsSetting Setup Utility Bios passwords Using Internet security softwareUsing antivirus software Installing software updatesUsing firewall software Installing Windows security updatesSecuring your wireless network Using an optional security cable lockBacking up your software applications and information Using Setup Utility Bios and System Diagnostics Starting Setup Utility BiosUpdating the Bios Downloading a Bios update Determining the Bios versionUsing System Diagnostics Creating backups Backing up, restoring, and recoveringCreating recovery media to recover the original system What you need to knowCreating a system restore point Creating system restore pointsBacking up system and personal information Tips for a successful backupCreating a backup using Windows Backup and Restore Restoring to a previous system restore point Restore and recoveryRecovering the original system using HP Recovery Manager Restoring specific files using Windows Backup and RestoreRecovering using the recovery media Recovering using HP Recovery partition select models onlyChanging the computer boot order Input power SpecificationsOperating environment Troubleshooting and support Troubleshooting Disc drive problemsWireless connection problems Cannot connect to a Wlan Cannot connect to a preferred networkCurrent network security codes are unavailable Wlan connection is very weak Cannot connect to the wireless routerAudio problems Power management problemsNetwork status icon is not displayed Troubleshooting an AC adapter Resolving a low battery levelContacting customer support Electrostatic Discharge Index BiosWlan