HP 4440s Lights

Lights

NOTE: Refer to the illustration that most closely matches your computer.

Component		Description

(1)	Power light	● On: The computer is on.
		● Blinking: The computer is in the Suspend state.
		● Off: The computer is off or in Hibernation.

(2)	Caps lock light	On: Caps lock is on.

(3)	Web browser light	● On: The computer is on.
		● Off: The computer is off, in the Suspend state, or in
		Hibernation.

(4)	Wireless light	● White: An integrated wireless device, such as a
		wireless local area network (WLAN) device and/or a
		Bluetooth® device, is on.
		● Amber: All wireless devices are off.

(5)	TouchPad light	● Amber: The TouchPad is off.
		● Off: The TouchPad is on.

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Contents

Page Page Safety warning notice Page Table of contents Page Page Page Page Page 1 Welcome Finding information Page 2 Getting to know your computer Top TouchPad Lights Page Buttons, speakers, and fingerprint reader (select models only) Page Page Keys Page Front Right Page Left Page Display Page Bottom Identifying the bottom parts of the computer Page 3 Networking Using an Internet service provider (ISP) Identifying wireless and network status icons Creating a wireless connection Turning wireless devices on and off Using a WLAN Connecting to an existing WLAN Setting up a new WLAN Protecting your WLAN Roaming to another network Using Bluetooth wireless devices (select models only) Connecting to a wired network Connecting to a local area network (LAN) (select models only) Page 4 Keyboard and pointing devices Using the keyboard Identifying the hot keys Using keypads Using the integrated numeric keypad Using an optional external numeric keypad Using the TouchPad Turning the TouchPad off and on Navigating Selecting Using TouchPad gestures Setting pointing device preferences 5 Multimedia Using the audio features Adjusting the volume Checking your audio functions Using the Webcam (select models only) Using video devices VGA Page HDMI 6 Power management Shutting down the computer Setting power options Using power-savingstates Initiating and exiting Suspend Initiating and exiting Hibernation Using the Power icon Using power management Using battery power Displaying the remaining battery charge Inserting or removing the battery Charging a battery Maximizing battery life Managing low battery levels Conserving battery power Storing a battery Disposing of a used battery Replacing the battery Using external AC power Testing an AC adapter 7 Drives Handling drives Using the optional security screw Removing or replacing the service door Removing the service door Replacing the service door Page Replacing or upgrading the hard drive Removing the hard drive Page Installing a hard drive Page Using optical drives (select models only) Identifying the installed optical drive Inserting an optical disc Removing an optical disc Page 8 External cards and devices Using Media Card Reader cards (select models only) Inserting a digital card Removing a digital card Using a USB device Connecting a USB device Removing a USB device Using optional external devices Using optional external drives 9 Memory modules Page Page 10 Security Protecting the computer Using passwords Setting passwords in the operating system Setting passwords in Computer Setup Managing a BIOS administrator password Entering a BIOS administrator password Managing a Computer Setup DriveLock password Managing a DriveLock password Entering a DriveLock password Using Computer Setup Automatic DriveLock Managing an Automatic DriveLock password Using firewall software Installing an optional security cable Using the fingerprint reader (select models only) Enabling fingerprint authentication during logon Enrolling your fingerprint 11 Backup and Recovery Performing a system recovery Backing up your information 12Computer Setup (BIOS) and Advanced System Diagnostics Starting Computer Setup Using Computer Setup Navigating and selecting in Computer Setup Restoring factory settings in Computer Setup Updating the BIOS Determining the BIOS version Downloading a BIOS update Using Advanced System Diagnostics 13 MultiBoot About the boot device order Enabling boot devices in Computer Setup Considering boot order changes Choosing MultiBoot preferences Setting a new boot order in Computer Setup Dynamically choosing a boot device using the f9 prompt Setting a MultiBoot Express prompt Entering MultiBoot Express preferences A Troubleshooting and support Troubleshooting The computer is unable to start up The computer screen is blank Software is functioning abnormally The computer is on but not responding The computer is unusually warm An external device is not working The wireless network connection is not working The optical disc tray does not open for removal of a CD or DVD The computer does not detect the optical drive A disc does not play A movie is not visible on an external display The process of burning a disc does not begin, or it stops before completion Contacting customer support Labels B Cleaning your computer Cleaning products Cleaning procedures Cleaning the display Cleaning the sides and cover Cleaning the TouchPad and keyboard C Specifications Input power Operating environment D Electrostatic discharge Index