HP LJ475UT specs

9 Memory modules	61
10 Security	66
Protecting the computer	66
Using passwords	67
Setting passwords in the operating system	67
Setting passwords in Computer Setup	67
Managing an administrator password	68
Entering an administrator password	68
Managing a power-on password	68
Entering a power-on password	69
Using firewall software	69
Installing an optional security cable	70
11 Backup and Recovery	71
Performing a system recovery	72
Backing up your information	73
12 Computer Setup	74
Starting Computer Setup	74
Using Computer Setup	74
Navigating and selecting in Computer Setup	74
Restoring factory settings in Computer Setup	75
Updating the BIOS	75
Determining the BIOS version	76
Downloading a BIOS update	76
Appendix A Troubleshooting and support	77
Troubleshooting	77
The computer is unable to start up	77
The computer screen is blank	77
Software is functioning abnormally	78
The computer is on but not responding	78
The computer is unusually warm	78
An external device is not working	78
The wireless network connection is not working	79
The optical disc tray does not open for removal of a CD or DVD	79
The computer does not detect the optical drive	80
A disc does not play	80
A movie is not visible on an external display	80
The process of burning a disc does not begin, or it stops before completion	81
Contacting customer support	81
Labels	82

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HP LJ475UT manual Performing a system recovery Backing up your information

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 information Finding information Resources For information about TouchPad Getting to know your computerTop Lights Control Center System Power Management Buttons Keys Fn key Esc key Front Right Left Left Display Bottom Networking Using an Internet service provider ISP Identifying wireless and network status icons Creating a wireless connectionUsing a Wlan Turning wireless devices on and off Connecting to an existing Wlan Setting up a new Wlan Protecting your Wlan Roaming to another network Using Bluetooth wireless devices select models only Connecting to a wired networkUsing a modem select models only Connecting a modem cable Connecting 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 keypad Using the integrated numeric keypad Turning the embedded numeric keypad on and off Turning 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 Multimedia Using the audio features Adjusting the volume Using the Webcam select models only Checking your audio functions Using video devices VGA Connecting an Hdmi device select models only Configuring audio for Hdmi select models only Power management Shutting down the computer Setting power options Using power-saving statesInitiating and exiting Suspend Initiating and exiting Hibernation Using battery power Using the Power iconUsing power management Viewing the current power management settings Displaying 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 drives Replacing or upgrading the hard drive Removing the hard drive Lift the hard drive 3 out of the hard drive bay Drives Installing a hard drive Page Using optical drives select models only Identifying the installed optical driveInserting an optical disc Removing an optical disc When 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 ExpressCard Inserting an ExpressCard Using a USB device Removing an ExpressCard Connecting a USB device Removing a USB device Using optional external devices Using optional external drives Memory modules Page Page Page Page Security Protecting the computer Setting 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 password Installing an optional security cable Backup and Recovery Performing a system recovery Backing up your information Performing a system recovery Backing up your information Computer Setup Starting Computer SetupUsing Computer Setup Navigating and selecting in Computer Setup Updating the Bios Restoring factory settings in Computer Setup Determining the Bios version Downloading a Bios update Troubleshooting and support TroubleshootingComputer is unable to start up Computer screen is blank Software is functioning abnormally Computer is on but not respondingComputer is unusually warm An external device is not working Wireless network connection is not working Optical disc tray does not open for removal of a CD or DVD Movie is not visible on an external display Computer does not detect the optical driveDisc does not play Contacting customer support Labels Component Cleaning your computer Cleaning products Specifications Input power Operating environment Electrostatic discharge Index USB Jacks