HP CQ41-213TU, CQ41-205TX, CQ41-204TX, CQ41-206TX, CQ41-207TX, CQ41-224TX, CQ41-223TX Memory modules

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8 Memory modules

The computer has one memory module compartment, which is located on the bottom of the computer. The memory capacity of the computer can be upgraded by adding a memory module to the vacant expansion memory module slot or by upgrading the existing memory module in the primary memory module slot.

WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power cord and remove all batteries before installing a memory module.

CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning any procedure, ensure that you are discharged of static electricity by touching a grounded metal object.

NOTE: To use a dual-channel configuration when adding a second memory module, be sure that both memory modules are the same size.

To add or replace a memory module:

1.Save your work.

2.Shut down the computer and close the display.

If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the power button. Then shut down the computer through the operating system.

3.Disconnect all external devices connected to the computer.

4.Unplug the power cord from the AC outlet.

5.Turn the computer upside down on a flat surface.

6.Remove the battery from the computer.

7.Loosen the memory module compartment screw (1).

92 Chapter 8 Memory modules

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Contents Page Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Multimedia Drives External devices and external media cards 117 Features Identifying hardwareComponents Top componentsTouchPad Lights ComponentsFeatures Panel System and Security Power Options Buttons and speakersKeys Fn keyDisplay Front components Rear componentRight-side components Left-side components Bottom components Wireless antennas Additional hardware components Labels Wireless, local area network, and modem Using wireless devicesIdentifying wireless and network status icons Using the wireless controlsUsing the wireless button Using HP Wireless Assistant Using operating system controlsUsing a Wlan Setting up a WlanProtecting your Wlan Use a wireless transmitter with built-in securityUse wireless encryption Work behind a firewallConnecting to a Wlan Roaming to another networkUsing Bluetooth wireless devices select models only Bluetooth and Internet Connection Sharing ICSTroubleshooting wireless connection problems Cannot connect to a WlanCannot connect to a preferred network Network icon is not displayedCurrent network security codes are unavailable Cannot connect to the wireless router Wlan connection is very weakUsing the modem select models only Connecting a modem cableConnecting a country-specific modem cable adapter Selecting a location settingViewing the current location selection Adding new locations when traveling Select Start Devices and PrintersCheck for pulse or tone dialing Solving travel connection problemsCheck the telephone line type Set the modem to ignore dial tonesConnecting to a local area network Clear the check box for Wait for dial tone before dialingUsing the TouchPad Pointing devices and keyboardSetting TouchPad preferences Connecting an external mouseUsing keyboard hotkeys Function HotkeyDisplaying system information Opening Help and SupportSwitching the screen image Opening the Print Options windowOpening a Web browser Decreasing screen brightness Initiating SleepInitiating QuickLock Increasing screen brightnessPlaying previous track or section of an audio CD or a DVD Playing, pausing or resuming an audio CD or a DVDStopping an audio CD or a DVD Playing next track or section of an audio CD or a DVDUsing keypads Num lk keySwitching key functions on the embedded numeric keypad Using the embedded numeric keypadUsing an optional external numeric keypad Enabling and disabling the embedded numeric keypadCleaning the TouchPad and keyboard Multimedia features MultimediaIdentifying your multimedia components Environmental NoticesAdjusting the volume Click Customize notification iconsUsing the media activity hotkeys Installing multimedia software from a disc Using DVD Play softwareUsing other preinstalled multimedia software Multimedia softwareAudio Connecting external audio devicesSelect Start All Programs Accessories Sound Recorder Checking your audio functionsConnecting an external monitor or projector VideoConnecting an Hdmi device Configuring audio for Hdmi Webcam select models only Webcam tipsAdjusting webcam properties Troubleshooting Computer does not detect the optical drive Select Advanced Settings Monitor tab Disc does not playDisc does not play automatically DVD movie stops, skips, or plays erratically DVD movie is not visible on an external displayRemove any discs from the optical drive Obtaining the latest HP device drivers Obtaining the latest Windows device driversUsing power-saving states Power managementSetting power options Initiating and exiting SleepUsing the battery meter Initiating and exiting HibernationViewing the current power plan Using power plansSetting password protection on wakeup Selecting a different power planUsing external AC power Connecting the AC adapter Testing an AC adapter Using battery power Finding battery information in Help and SupportUsing Battery Check Displaying the remaining battery charge Inserting or removing the batteryCharging a battery Maximizing battery discharge time Managing low battery levelsIdentifying low battery levels Resolving a low battery level Calibrating a battery Fully charge the batteryDisable Hibernation and Sleep Discharge the battery Fully recharge the batteryReenable Hibernation and Sleep Disposing of a used battery Conserving battery powerStoring a battery Replacing the batteryShutting down the computer Click Shut downDrives Handling drivesIdentifying the installed optical drive Optical driveSelect Start Computer Using optical discs DVD±RW/RCD-RW discs Selecting the right discCD-R discs DVD±R discsPlaying a CD, DVD, or BD LightScribe DVD+R discsBlu-ray Disc Configuring AutoPlay Changing DVD region settingsSelect Start Default Programs Change AutoPlay settings Select Start All Programs CyberLink DVD Suite Power2Go Observing the copyright warningCopying a CD or DVD Creating burning a CD or DVD Removing an optical disc CD, DVD, or BD Removing the optical drive Using external drives Using Disk Defragmenter Using Disk CleanupImproving hard drive performance Replacing the hard drive Page Page Tighten the hard drive cover screws Replacing the hard drive Using a USB device Connecting a USB deviceExternal devices and external media cards Removing a USB device Using Digital Media Slot cards Inserting a digital cardRemoving a digital card Memory modules Page Page Page Security Protecting the computerUsing passwords Setting passwords in WindowsSetting passwords in Setup Utility Administrator passwordPower-on password Entering an administrator passwordUsing antivirus software Using firewall softwareInstalling critical security updates Installing an optional security cableSetup Utility Bios Starting Setup UtilityUsing Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup Utility Main menu Setup Utility menusExiting Setup Utility Security menuSystem Configuration menu Diagnostics menuSoftware updates Updating the Bios Determining the Bios versionDownloading a Bios update Updating programs and drivers Backup and recovery Creating recovery discs Backing up your information Using Windows Backup and Restore Select Start All Programs Maintenance Backup and RestoreCreate a system restore point Using system restore pointsWhen to create restore points Restore to a previous date and timeSelect Start All Programs Recovery Manager Recovery Manager Performing a recoveryRecovering from the recovery discs Click System Recovery in the Recovery Manager windowSymbols/Numerics IndexJacks Ssid Page Wlan label 14 Wlan module 11 writable media Index
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