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HP CQ56-148CA, CQ56-110US, CQ56-100XX manual Appendix B Routine care, Appendix C Specifications

Models: CQ56-104CA

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The computer is on but not responding	59
The computer is unusually warm	59
An external device is not working	59
The wireless network connection is not working	60
The optical disc tray does not open for removal of a CD	60
The computer does not detect the optical drive	61
A disc does not play	61
A movie is not visible on an external display	61
The process of burning a disc does not begin, or it stops before completion	62
Contacting customer support	62
Labels	63
Appendix B Routine care
Cleaning the display	65
Cleaning the TouchPad and keyboard	66
Appendix C Specifications
Input power	67
Operating environment	67
Appendix D Electrostatic discharge
Index	70

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HP CQ56-148CA, CQ56-110US manual Appendix B Routine care, Appendix C Specifications, Appendix D Electrostatic discharge

Contents

HP Notebook User Guide Product notice Software termsSafety warning notice iv Safety warning notice Table of contents 1 Welcome2 Getting to know your computer 3 Networking6 Power management 5 Multimedia11 Backup and Recovery Setup Utility BIOSAppendix A Troubleshooting and support 7 DrivesAppendix D Electrostatic discharge Appendix C SpecificationsAppendix B Routine care Finding information 1 WelcomeFinding information Safety & Comfort Guide Proper workstation setup, posture, health, and work habitsTo access this guide Electrical and mechanical safety informationAdditional hardware Top Right side Left side Display Wireless antennas Bottom2 Getting to know your computer TouchPad LightsComponent DescriptionButton and speakers Control Center System Power ManagementComponent DescriptionKeys Description Right sideComponent Description Left sideComponent Display 10 Chapter 2 Getting to know your computerComponent DescriptionWireless antennas Bottom 12 Chapter 2 Getting to know your computerComponent DescriptionAdditional hardware Additional hardwareComponent DescriptionUsing an Internet service provider ISP Identifying wireless and network status iconsCreating a wireless connection Using a WLAN Using Bluetooth wireless devices select models onlyUsing 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 local area network LAN2. Plug the other end of the cable into a network wall jack 20 Chapter 3 Networking4 Pointing devices and keyboard Using the keyboardUsing the keyboard Using the TouchPad Action key 22 Chapter 4 Pointing devices and keyboardFunction Using the TouchPad Setting pointing device preferencesUsing the media activity controls Using the media activity controls Audio Webcam select models only5 Multimedia VideoAudio Your computer enables you to use a variety of audio featuresPlay music Record sound Download music from the Internet Create multimedia presentationsAdjusting the volume Webcam select models onlyChecking your audio functions 1. Select Computer Control CenterVideo 6 Power management Shutting down the computer Setting power options Using battery powerUsing external AC power 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 1. Select Computer Control Center Power ManagementConserving battery power Storing a batteryResolving a low battery level Resolving a low battery level when external power is availableReplacing the battery Using external AC powerDisposing of a used battery Testing an AC adapter Using optical drives select models only 7 DrivesHandling drives Handling drives Replacing or upgrading the hard driveReplacing or upgrading the hard drive Removing the hard driveInstalling the hard drive 6. Replace the battery 7. Turn the computer right-side up 8. Reconnect external power and external devices4. Close the cover 5. Tighten the hard drive cover screws 9. Turn on the computerUsing optical drives select models only Identifying the installed optical drivePlaying a CD Removing a CDUsing optical drives select models only 3. Close the disc tray, and then place the disc in a protective caseUsing a USB device Connecting a USB deviceUsing a USB device Using optional external devices 8 External devicesUsing a USB device Removing a USB device Using optional external devicesUsing optional external drives 9 Memory modules 48 Chapter 9 Memory modules 8. Lift the memory module compartment cover 2 away from the computer10. Insert a new memory module 14. Replace the battery 15. Turn the computer right-side up 12. Close the cover 13. Tighten the memory module compartment screws50 Chapter 9 Memory modules 16. Reconnect external power and external devices17. Turn on the computer Using passwords Protecting the computer Using passwords10 Security Protecting the computerSetting passwords in the operating system Operating system passwords52 Chapter 10 Security Function11 Backup and Recovery Performing a system recovery Backing up your information 12 Setup Utility BIOS Starting Setup UtilityUsing Setup Utility Changing the language of Setup UtilityDisplaying system information Restoring factory default settings in Setup UtilityExiting Setup Utility A Troubleshooting and support TroubleshootingTroubleshooting Contacting customer support Labels The computer is unable to start upSoftware is functioning abnormally The computer is on but not respondingThe computer is unusually warm An external device is not workingThe wireless network connection is not working The optical disc tray does not open for removal of a CDThe computer does not detect the optical drive A disc does not playA movie is not visible on an external display 2. Click Computer and then click System MonitorContacting customer support Labels Component64 Appendix B Routine care Cleaning the display Cleaning the TouchPad and keyboardB Routine care Cleaning the display Cleaning the TouchPad and keyboard C Specifications Input powerInput power Operating environment Operating environment15 m to 12,192 m 68 Appendix C Specifications15 m to 3,048 m D Electrostatic discharge Index