HP B5A04UAR#ABA 67

7.Slide the service door forward slightly (2), lift the front right corner of the service door (3), and then maintain an angle while removing the service door (4).

8.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.

Improving performance 57

Contents

Page Page Safety warning notice Page Table of contents Page Page Page Page Page 1 Starting right Best practices Fun things to do More HP resources 2 Getting to know your computer Finding your hardware and software information Right side Page Left side Page Display Top TouchPad Lights Buttons and speakers Keys Bottom Labels 3 Connecting to a network Connecting to a wireless network Using the wireless controls Using a WLAN Setting up a WLAN Configuring a wireless router Protecting your WLAN Using Bluetooth wireless devices (select models only) Connecting to a wired network Connecting to a local area network (LAN) 4 Enjoying entertainment features Page Using the webcam Using audio Connecting speakers Connecting headphones Connecting a microphone Using video Connecting a VGA monitor or projector Connecting an HDMI TV or monitor Using Intel Wireless Display and Wireless Music (select models only) Managing your photo, audio, and video files 5Using the keyboard and pointing devices Using the keyboard Using ALT GR key combinations Using the action keys Using the hot keys Using the keypad Using the TouchPad Turning the TouchPad off or on Navigating Selecting Using TouchPad gestures Scrolling Pinching/Zooming Rotating 6 Managing power Using Sleep or Hibernation Initiating and exiting Sleep Initiating and exiting Hibernation Setting password protection on wakeup Using the power meter Selecting a power plan Running on battery power Removing a user-replaceablebattery Finding battery information Conserving battery power Identifying low battery levels Storing a user-replaceablebattery Disposing of a user-replaceablebattery Replacing a user-replaceablebattery Running on external power HP CoolSense Shutting down the computer 7 Managing and sharing information Using a USB device Connecting a USB device Removing a USB device Connecting a powered USB device Inserting and removing a digital storage card Using optical drives Inserting an optical disc Removing an optical disc Sharing drives on the network 8 Maintaining your computer Improving performance Handling drives Replacing a hard drive Page Using HP 3D DriveGuard (select models only) Using Disk Defragmenter Using Disk Cleanup Adding or replacing memory modules Page Page Page Updating programs and drivers Cleaning your computer Cleaning the display, sides, and cover Cleaning the TouchPad and keyboard Traveling with or shipping your computer 9Securing your computer and information Locating your security software Using passwords Setting Windows passwords Setting Setup Utility (BIOS) passwords Using Internet security software Using antivirus software Using firewall software Installing software updates Installing Windows security updates Installing HP and third-partysoftware updates Securing your wireless network Backing up your software applications and information Using an optional security cable lock 10Using Setup Utility (BIOS) and System Diagnostics Starting Setup Utility (BIOS) Updating the BIOS Determining the BIOS version Downloading a BIOS update Using System Diagnostics 11 Backing up, restoring, and recovering Creating backups Creating recovery media to recover the original system Creating system restore points Backing up system and personal information Creating a backup using Windows Backup and Restore Restore and recovery Restoring to a previous system restore point Restoring specific files Recovering the original system using HP Recovery Manager Recovering using HP Recovery partition (select models only) Recovering using the recovery media Page 12 Specifications Input power Operating environment 13 Troubleshooting and support Troubleshooting Disc drive problems Wireless connection problems Cannot connect to a WLAN Cannot connect to a preferred network Current network security codes are unavailable WLAN connection is very weak Cannot connect to the wireless router Audio problems Power management problems Resolving a low battery level Troubleshooting an AC adapter Contacting customer support 14 Electrostatic Discharge Index