HP LJ475UT manual Lights

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Component		Description

(3)	Left TouchPad button	Functions like the left button on an external mouse.

(4)	Right TouchPad button	Functions like the right button on an external mouse.

Lights

Component		Description

(1)	TouchPad light	● Amber: The TouchPad is off.
		● Off: The TouchPad is on.

(2)	Caps lock light	● White: Caps lock is on.
		● Off: Caps lock is off.

(3)	Power light	● On: The computer is on.
		● Blinking: The computer is in the Suspend state.
		● Off: The computer is off or in Hibernation.

(4)	Web browser light	On: Launching the Firefox browser.

(5)	Wireless light	● White: An integrated wireless device, such as a

wireless local area network (WLAN) device and/or a Bluetooth® device, is on.

● Amber: All wireless devices are off.

4	Chapter 2 Getting to know your computer

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Contents HP Notebook User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents VGA Drives Performing a system recovery Backing up your information Cleaning products Page Welcome Finding informationFinding information Resources For information aboutTouchPad Getting to know your computerTop Lights Control Center System Power Management ButtonsKeys Fn keyEsc key Front Right Left Left Display Bottom Networking Using an Internet service provider ISP Using a Wlan Identifying wireless and network status iconsCreating a wireless connection Turning wireless devices on and offConnecting to an existing Wlan Setting up a new WlanProtecting your Wlan Roaming to another networkUsing a modem select models only Using Bluetooth wireless devices select models onlyConnecting to a wired network Connecting a modem cableConnecting a country- or region-specific modem cable adapter Connecting to a local area network LAN select models only Identifying the hotkeys Using the keyboardKeyboard and pointing devices Using the keyboard Using keypads Using the embedded numeric keypadUsing the integrated numeric keypad Turning the embedded numeric keypad on and offTurning the TouchPad off and on Using the TouchPadUsing an optional external numeric keypad Selecting Using TouchPad gesturesNavigating Pinching/Zooming Setting pointing device preferencesScrolling Using the media activity keys MultimediaUsing the audio features Adjusting the volume Using the Webcam select models only Checking your audio functionsUsing video devices VGAConnecting an Hdmi device select models only Configuring audio for Hdmi select models only Power management Shutting down the computerInitiating and exiting Suspend Setting power optionsUsing power-saving states Initiating and exiting HibernationUsing power management Using battery powerUsing the Power icon Viewing the current power management settingsDisplaying the remaining battery charge Inserting or removing the battery Charging a battery Identifying low battery levels Maximizing battery lifeManaging low battery levels Resolving a low battery level Conserving battery powerStoring a battery Replacing the battery Using external AC powerDisposing of a used battery Testing an AC adapter Drives Handling drivesReplacing or upgrading the hard drive Removing the hard driveLift the hard drive 3 out of the hard drive bay Drives Installing a hard drive Page Inserting an optical disc Using optical drives select models onlyIdentifying the installed optical drive Removing an optical discWhen the disc tray opens normally Page Inserting a digital card Using Digital Media Slot cards select models onlyExternal cards and devices Removing a digital card Using ExpressCards select models only Configuring an ExpressCardInserting an ExpressCard Using a USB device Removing an ExpressCardConnecting a USB device Removing a USB deviceUsing optional external devices Using optional external drivesMemory modules Page Page Page Page Security Protecting the computerSetting passwords in Computer Setup Using passwordsSetting passwords in the operating system Managing a power-on password Managing an administrator passwordEntering an administrator password Using firewall software Entering a power-on passwordInstalling an optional security cable Backup and Recovery Performing a system recovery Backing up your informationPerforming a system recovery Backing up your information Using Computer Setup Computer SetupStarting Computer Setup Navigating and selecting in Computer SetupUpdating the Bios Restoring factory settings in Computer SetupDetermining the Bios version Downloading a Bios updateComputer is unable to start up Troubleshooting and supportTroubleshooting Computer screen is blankComputer is unusually warm Software is functioning abnormallyComputer is on but not responding An external device is not workingWireless network connection is not working Optical disc tray does not open for removal of a CD or DVDMovie is not visible on an external display Computer does not detect the optical driveDisc does not play Contacting customer support Labels ComponentCleaning your computer Cleaning productsSpecifications Input powerOperating environment Electrostatic discharge Index USBJacks