Bottom components | HP G72-B66US specs

Bottom components

Component		Description

(1)	Battery bay	Holds the battery.

(2)	Vents (4)	Enable airflow to cool internal components.
		NOTE: The computer fan starts up automatically to cool internal
		components and prevent overheating. It is normal for the internal
		fan to cycle on and off during routine operation.

(3)	Battery release latch	Releases the battery from the battery bay.

(4)	Hard drive bay	Holds the hard drive.

(5)	Memory module compartment	Holds two memory modules, the wireless local area network
		(WLAN) module, and the RTC battery.

CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support.

8 Chapter 1 Features

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HP G72-B66US manual Bottom components

Contents

Page Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Power management Drives Adding or replacing a memory module Security 113 Features Identifying hardware Components Top componentsTouchPad Lights Num lk light Button and speakers Keys Right-side components Left-side components Bottom components Wireless antennas Display componentsPage Additional hardware components Labels Component Wireless, local area network, and modem Using wireless devices Identifying wireless and network status icons Using the wireless controlsUsing the wireless action key Using HP Wireless Assistant Using operating system controls Using a Wlan Setting up a Wlan Protecting your Wlan Use a wireless transmitter with built-in securityUse wireless encryption Work behind a firewall Connecting to a Wlan Roaming to another network Using Bluetooth wireless devices select models only Bluetooth and Internet Connection Sharing ICS Troubleshooting wireless connection problems Cannot connect to a WlanCannot connect to a preferred network Network icon is not displayed Current network security codes are unavailable Cannot connect to the wireless router Wlan connection is very weak Using the modem select models only Connecting a modem cable Connecting a country-specific modem cable adapter Selecting a location settingViewing the current location selection Adding new locations when traveling Select Start Devices and Printers Check for pulse or tone dialing Solving travel connection problemsCheck the telephone line type Set the modem to ignore dial tones Connecting to a local area network Clear the check box for Wait for dial tone before dialing Using the TouchPad Pointing devices and keyboard Using TouchPad gestures Turning the TouchPad on and off Scrolling Pinching Setting pointing device preferences Using the keyboardRotating Function Action key or hotkey Press f11 to mute or restore speaker sound Cleaning the TouchPad and keyboard Multimedia features Multimedia Identifying your multimedia components Multimedia Adjusting the volume Using the media activity functions Using the media activity action keys Installing multimedia software from a disc Using CyberLink PowerDVD softwareUsing other preinstalled multimedia software Multimedia software Audio Connecting external audio devicesSelect Start All Programs Accessories Sound Recorder Checking your audio functions Video Connecting an Hdmi device select models only Configuring audio for Hdmi select models only Optical drive Adjusting webcam properties Webcam select models onlyWebcam tips Page Power management Setting power optionsUsing power-saving states Initiating and exiting Sleep Initiating and exiting Hibernation Viewing the current power plan Using the battery meterUsing power plans Selecting a different power plan Setting password protection on wakeup Using 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 battery Charging a battery Maximizing battery discharge time Managing low battery levelsIdentifying low battery levels Calibrating a battery Resolving a low battery levelFully charge the battery Disable Hibernation and Sleep Discharge the battery Fully recharge the battery Conserving battery power Storing a batteryReenable Hibernation and Sleep Disposing of a used battery Replacing the battery Switching between graphics modes select models only Shutting down the computer Click Shut down Drives Handling drives Identifying the installed optical drive Select Start Computer Using optical discs DVD±RW/R CD-RW discs Selecting the right disc CDs, DVDs, and BDsCD-R discs DVD±R discs Playing a CD, DVD, or BD LightScribe DVD+R discsBlu-ray Disc BD Page Configuring AutoPlay Changing DVD region settingsSelect Start Default Programs Change AutoPlay settings Select Start All Programs CyberLink DVD Suites Power2Go Observing the copyright warningCopying a CD, DVD, or BD Creating or burning a CD or DVD Troubleshooting drive and device driver problems Removing a CD, DVD, or BD Disc does not play automatically Click Start Default Programs Change AutoPlay SettingsSelect Advanced Settings Monitor tab DVD movie stops, skips, or plays erratically DVD movie is not visible on an external display Obtaining the latest HP device drivers Obtaining the latest Windows device drivers Using external drives Using Disk Defragmenter Using Disk CleanupImproving hard drive performance Replacing the hard drive Page Page Page 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 card Removing a digital card Adding or replacing a memory module Page Page Security Protecting the computer Using passwords Setting passwords in WindowsSetting passwords in Setup Utility Administrator password Managing an administrator password Power-on password Managing a power-on password Using antivirus software Using firewall software Installing critical security updates Installing an optional security cable Setup Utility Bios Starting Setup Utility Using Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup Utility Displaying system information Main menu Setup Utility menusExiting Setup Utility Security menu System Configuration menu Diagnostics menu Software updates Updating the Bios Determining the Bios version Downloading 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 Restore Create a system restore point Using system restore pointsWhen to create restore points Restore to a previous date and time Select Start All Programs Recovery Manager Recovery Manager Performing a recoveryRecovering from the recovery discs Click System Recovery in the Recovery Manager window Symbols/Numerics Index DVD Ssid