HP dv7-7135us, B5R45UA manual Input power Operating environment

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	Restoring to a previous system restore point	78
	Restoring specific files	78
	Restoring specific files using Windows Backup and Restore	78
	Recovering the original system using HP Recovery Manager	78
	What you need to know	78
	Recovering using HP Recovery partition (select models only)	79
	Recovering using the recovery media	79
	Changing the computer boot order	80
12	Specifications	81
	Input power	81
	Operating environment	82
13 Troubleshooting and support		83
	Troubleshooting	84
	Disc drive problems	84
	Wireless connection problems	84
	Cannot connect to a WLAN	85
	Cannot connect to a preferred network	85
	Current network security codes are unavailable	85
	WLAN connection is very weak	86
	Cannot connect to the wireless router	86
	Network status icon is not displayed	87
	Audio problems	87
	Power management problems	87
	Resolving a low battery level	88
	Resolving a low battery level when external power is available	88
	Resolving a low battery level when no power source is available ....	88
	Resolving a low battery level when the computer cannot exit
	Hibernation	88
	Troubleshooting an AC adapter	88
	Contacting customer support	89
14	Electrostatic Discharge	90
Index		91

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Contents User Guide Software terms Product noticeSafety warning notice Iv Safety warning notice Table of contents Using Sleep or Hibernation Managing and sharing information Securing your computer and information Input power Operating environment Page Best practices Starting rightFun things to do More HP resources Resource ContentsFinding your hardware and software information Getting to know your computerFront Component DescriptionRight side Using Sleep or Hibernation onGetting to know your computer Left side Rear Communication and Chat CyberLink YouCam DisplayTouchPad TopSleep or Hibernation on LightsButtons, speakers, and fingerprint reader Or see Managing power onKeys By selecting Start Control Panel HardwareSound Beats Audio Control Panel Num lock key Bottom Component LabelsConnecting to a network Connecting to a wireless networkUsing the wireless controls Using the wireless button Using HP Connection Manager select models onlyUsing operating system controls Using an Internet service provider Using a WlanSetting 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 Multimedia Features Enjoying entertainment featuresUsing audio Using the webcamConnecting headphones Connecting speakersConnecting a microphone Using Beats AudioConnecting a VGA monitor or projector Using videoChecking the sound IconDefinitionConnecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your audio and video files Using Intel Wireless Display select models onlyUsing the keyboard and pointing devices Using ALT GR key combinations Using the keyboardUsing the action keys Icon Key DescriptionFunction Hot key Description Using the hot keysSelect Start Control Panel Hardware and Sound Beats Audio Control PanelUsing the integrated numeric keypad Using the keypadTurning the TouchPad off or on Using the TouchPadSelecting NavigatingUsing TouchPad gestures Pinching/Zooming ScrollingFlicking RotatingManaging power Initiating and exiting Sleep Using Sleep or HibernationInitiating and exiting Hibernation Setting password protection on wakeupUsing the power meter Selecting a power plan Running on battery power Removing a user-replaceable batteryFinding battery information Identifying low battery levels Conserving battery powerStoring a user-replaceable battery Disposing of a user-replaceable batteryReplacing a user-replaceable battery Running on external powerUsing HP CoolSense select models only Select Start Shut down Shutting down the computerConnecting a USB device Using a USB deviceManaging and sharing information Type DescriptionRemoving a USB device Connecting a powered USB deviceInserting and removing digital storage cards 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 Using Disk DefragmenterUsing Disk Cleanup Adding or replacing memory modules 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 Computer risk Security feature Securing your computer and informationLocating your security software Using passwords Setting Windows passwordsPassword Function Setting Setup Utility Bios passwords Using the fingerprint readerUsing HP SimplePass Using Internet security softwareUsing your registered fingerprint to log on to Windows Registering fingerprintsUsing 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 Starting Setup Utility Bios Using Setup Utility Bios and System DiagnosticsUpdating the Bios Determining the Bios versionSelect Start Help and Support Maintain Downloading a Bios updateUsing 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 Specifications Input powerInput power Rating Operating 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 BiosHdmi