HP LJ475UT manual

Page 72

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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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 aboutGetting to know your computer TopTouchPad Lights Control Center System Power Management ButtonsKeys Fn keyEsc 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 offConnecting to an existing Wlan Setting up a new WlanProtecting your Wlan Roaming to another networkUsing Bluetooth wireless devices select models only Connecting to a wired networkUsing a modem select models only Connecting a modem cableConnecting 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 keypadUsing the integrated numeric keypad Turning the embedded numeric keypad on and offUsing 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 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 computerSetting power options Using power-saving statesInitiating and exiting Suspend Initiating and exiting HibernationUsing battery power Using the Power iconUsing power management Viewing the current power management settingsDisplaying 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 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 Using optical drives select models only Identifying the installed optical driveInserting an optical disc Removing an optical discWhen 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 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 computerUsing 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 passwordInstalling an optional security cable Backup and Recovery Performing a system recovery Backing up your informationPerforming a system recovery Backing up your information Computer Setup Starting Computer SetupUsing Computer Setup Navigating and selecting in Computer SetupUpdating the Bios Restoring factory settings in Computer SetupDetermining the Bios version Downloading a Bios updateTroubleshooting and support TroubleshootingComputer is unable to start up Computer screen is blankSoftware is functioning abnormally Computer is on but not respondingComputer is unusually warm An external device is not workingWireless network connection is not working Optical disc tray does not open for removal of a CD or DVDComputer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting customer support Labels ComponentCleaning your computer Cleaning productsSpecifications Input powerOperating environment Electrostatic discharge Index USBJacks