HP LJ475UT manual Using optional external devices, Using optional external drives

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Using optional external devices

NOTE: For more information about required software and drivers, or to learn which computer port to use, refer to the manufacturer's instructions.

To connect an external device to the computer:

CAUTION: To reduce the risk of damage to the equipment when connecting a powered device, be sure that the device is turned off and the AC power cord is unplugged.

1.Connect the device to the computer.

2.If you are connecting a powered device, plug the device power cord into a grounded AC outlet.

3.Turn on the device.

To disconnect an unpowered external device, turn off the device, and then disconnect it from the computer. To disconnect a powered external device, turn off the device, disconnect it from the computer, and then unplug the AC power cord.

Using optional external drives

Removable external drives expand your options for storing and accessing information. A USB drive can be added by connecting the drive to a USB port on the computer.

NOTE: HP external USB optical drives should be connected to the powered USB port on the computer.

USB drives include the following types:

●1.44-megabyte diskette drive

●External hard drive (a hard drive with an adapter attached)

●External optical drive (CD and DVD)

●MultiBay device

60 Chapter 8 External cards and devices

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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 aboutTop Getting to know your computerTouchPad 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 Keyboard and pointing devices Using the keyboardIdentifying the hotkeys Using the keyboard Using keypads Using the embedded numeric keypadUsing the integrated numeric keypad Turning the embedded numeric keypad on and offUsing an optional external numeric keypad Using the TouchPadTurning the TouchPad off and on Navigating Using TouchPad gesturesSelecting Scrolling Setting pointing device preferencesPinching/Zooming 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 Managing low battery levels Maximizing battery lifeIdentifying low battery levels Storing a battery Conserving battery powerResolving a low battery level Disposing of a used battery Using external AC powerReplacing the 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 External cards and devices Using Digital Media Slot cards select models onlyInserting a digital card Removing a digital card Using ExpressCards select models only Configuring an ExpressCard Inserting 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 the operating system Using passwordsSetting passwords in Computer Setup Entering an administrator password Managing an administrator passwordManaging a power-on 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 DVDDisc does not play Computer does not detect the optical driveMovie is not visible on an external display Contacting customer support Labels ComponentCleaning your computer Cleaning productsSpecifications Input powerOperating environment Electrostatic discharge Index USBJacks