Input power Operating environment | HP dv7-7135us, B5R45UA guide

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

Contents

User Guide Software terms Product notice Safety 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 right Fun things to do More HP resources Resource Contents Finding your hardware and software information Getting to know your computerFront Component Description Right side Using Sleep or Hibernation on Getting to know your computer Left side Rear Communication and Chat CyberLink YouCam Display TouchPad Top Sleep or Hibernation on Lights Buttons, speakers, and fingerprint reader Or see Managing power on Keys By selecting Start Control Panel HardwareSound Beats Audio Control Panel Num lock key Bottom Component Labels Connecting 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 Wlan Setting up a Wlan Configuring a wireless routerProtecting your Wlan Connecting to a Wlan Using Bluetooth wireless devices select models only Connecting to a local area network LAN Multimedia Features Enjoying entertainment features Using audio Using the webcam Connecting headphones Connecting speakersConnecting a microphone Using Beats Audio Connecting a VGA monitor or projector Using videoChecking the sound IconDefinition Connecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your audio and video files Using Intel Wireless Display select models only Using the keyboard and pointing devices Using ALT GR key combinations Using the keyboardUsing the action keys Icon Key Description Function Hot key Description Using the hot keysSelect Start Control Panel Hardware and Sound Beats Audio Control Panel Using the integrated numeric keypad Using the keypad Turning the TouchPad off or on Using the TouchPad Selecting Navigating Using TouchPad gestures Pinching/Zooming Scrolling Flicking Rotating Managing power Initiating and exiting Sleep Using Sleep or Hibernation Initiating 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 Identifying low battery levels Conserving battery powerStoring a user-replaceable battery Disposing of a user-replaceable battery Replacing a user-replaceable battery Running on external power Using HP CoolSense select models only Select Start Shut down Shutting down the computer Connecting a USB device Using a USB deviceManaging and sharing information Type Description Removing a USB device Connecting a powered USB device Inserting and removing digital storage cards Using optical drives Removing an optical disc Inserting an optical disc Sharing 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 reader Using HP SimplePass Using Internet security softwareUsing your registered fingerprint to log on to Windows Registering fingerprints Using antivirus software Installing software updatesUsing firewall software Installing Windows security updates Securing 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 version Select Start Help and Support Maintain Downloading a Bios update Using System Diagnostics Creating backups Backing up, restoring, and recoveringCreating recovery media to recover the original system What you need to know Creating a system restore point Creating system restore points Backing up system and personal information Tips for a successful backup Creating 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 Restore Recovering using the recovery media Recovering using HP Recovery partition select models only Changing 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 router Audio problems Power management problemsNetwork status icon is not displayed Troubleshooting an AC adapter Resolving a low battery level Contacting customer support Electrostatic Discharge Index Bios Hdmi