HP LJ475UT specification

6.Slide the access cover back (3), and then lift it away from the computer (4).

7.If you are replacing a memory module, remove the existing memory module:

a.Pull away the retention clips (1) on each side of the memory module. The memory module tilts up.

CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module, and do not bend the memory module.

62 Chapter 9 Memory modules

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HP LJ475UT manual

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 Getting to know your computer TopTouchPad 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 Using the keyboard Keyboard and pointing devicesIdentifying the hotkeys Using the keyboard Using keypads Using the embedded numeric keypad Using the integrated numeric keypad Turning the embedded numeric keypad on and off Using the TouchPad Using an optional external numeric keypadTurning the TouchPad off and on Using TouchPad gestures NavigatingSelecting Setting pointing device preferences ScrollingPinching/Zooming 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 Maximizing battery life Managing low battery levelsIdentifying low battery levels Conserving battery power Storing a batteryResolving a low battery level Using external AC power Disposing of a used batteryReplacing the 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 Using Digital Media Slot cards select models only External cards and devicesInserting a digital card 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 Using passwords Setting passwords in the operating systemSetting passwords in Computer Setup Managing an administrator password Entering an administrator passwordManaging a power-on 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 Computer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting customer support Labels Component Cleaning your computer Cleaning products Specifications Input power Operating environment Electrostatic discharge Index USB Jacks