HP CQ56-110US, CQ56-100XX, CQ56-104CA, CQ56-112NR, CQ56-115DX, CQ56-122NR manual Function Action key

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Function

Action key

 

 

 

Press and hold f2 to decrease the screen brightness level incrementally.

 

 

 

Press and hold f3 to increase the screen brightness level incrementally.

 

 

 

Press f4 to switch the screen image among display devices connected to the computer. For example,

 

if a monitor is connected to the computer, pressing this key alternates the screen image from the

 

computer display to the monitor display to simultaneous display on both the computer and the monitor.

 

Most external monitors receive video information from the computer using the external VGA video

 

standard. The f4 key can also alternate images among other devices that are receiving video

 

information from the computer.

 

 

 

Press f5 to play the previous track of a CD.

 

 

 

Press f6 to play, pause, or resume a track of an audio CD.

 

 

 

Press f7 to stop the audio playback of a CD.

 

 

 

Press f8 to play the next track of an audio CD.

 

 

 

Press and hold f9 to decrease speaker volume incrementally.

 

 

 

Press and hold f10 to increase speaker volume incrementally.

 

 

 

Press f11 to mute or restore speaker sound.

 

 

 

Press f12 to turn the wireless feature on or off.

 

NOTE: This key does not establish a wireless connection. To establish a wireless connection, a

 

wireless network must also be set up.

 

 

Refer to (1) through (5) in Keys on page 7 for information on using the application quick-launch keys.

22 Chapter 4 Pointing devices and keyboard

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Contents HP Notebook User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Multimedia Memory modules Security Appendix B Routine care Welcome Finding informationWelcome Getting to know your computer Top TouchPadLights Top Button and speakers Keys Right side Left side Display Wireless antennas Bottom Additional hardware Networking Using an Internet service provider ISP Using a Wlan Identifying wireless and network status iconsCreating a wireless connection 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 LANPage Using the keyboard Pointing devices and keyboardFunction Action key Using the TouchPad Setting pointing device preferencesUsing the media activity controls MultimediaAudio Adjusting the volume Webcam select models onlyChecking your audio functions Video VGAPower management Shutting down the computerSetting power options Using power-saving statesUsing battery power Using the Power iconUsing power management Displaying the remaining battery charge Inserting or removing the battery Charging a battery Maximizing battery life Managing low battery levelsConserving battery power Storing a batteryUsing external AC power Disposing of a used batteryReplacing the battery Testing an AC adapter Drives Handling drivesReplacing or upgrading the hard drive Removing the hard driveInstalling the hard drive Page Playing a CD Using optical drives select models onlyIdentifying the installed optical drive Removing a CDPage Using a USB device Connecting a USB deviceExternal devices Using a USB device Using optional external devices Using optional external drivesRemoving a USB device Memory modules Page Page Page Using passwords SecurityProtecting the computer Setting passwords in the operating system Operating system passwords FunctionBackup and Recovery Performing a system recovery Backing up your information Using Setup Utility Setup Utility BiosStarting Setup Utility Changing the language of Setup UtilityRestoring factory default settings in Setup Utility Exiting Setup UtilityDisplaying system information Computer is unable to start up Troubleshooting and supportTroubleshooting Computer screen is blankComputer is unusually warm Software is functioning abnormallyComputer is on but not responding An external device is not workingWireless network connection is not working Optical disc tray does not open for removal of a CDComputer does not detect the optical drive Disc does not playMovie is not visible on an external display Contacting customer support Labels ComponentRoutine care Cleaning the display Cleaning the TouchPad and keyboard Specifications Input powerOperating environment Appendix C Specifications Electrostatic discharge Index LAN USBWlan
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