HP 4320t Mobile manual Displaying system information, Decreasing screen brightness

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Function	Hotkey

Display system information.	fn+esc

Decrease screen brightness	fn+f2

Increase screen brightness	fn+f3

Switch the screen image between computer display and	fn+f4
external display.

Launch Internet Explorer	fn+f6

Mute speaker sound.	fn+f7

Decrease speaker sound.	fn+f8

Increase speaker sound.	fn+f9

Play previous track.	fn+f10

Play, pause, or resume optical disc.	fn+f11

Play next track.	fn+f12

To use a hotkey command on the computer keyboard, follow either of these steps:

●Briefly press the fn key, and then briefly press the second key of the hotkey command.

– or –

●Press and hold down the fn key, briefly press the second key of the hotkey command, and then release both keys at the same time.

Displaying system information

Press fn+esc to display information about system hardware components and the system BIOS version number.

System information is displayed. The version of the system BIOS (basic input-output system) is labeled as the BIOS date. On some computer models, the BIOS date is displayed in decimal format. The BIOS date is sometimes called the system ROM version number.

Decreasing screen brightness

Press fn+f2 to decrease screen brightness. Hold down the hotkey to decrease the brightness level incrementally.

Increasing screen brightness

Press fn+f3 to increase screen brightness. Hold down the hotkey to increase the brightness level incrementally.

Switching the screen image

Press fn+f4 to switch the screen image among display devices connected to the system. For example, if a monitor is connected to the computer, pressing fn+f4 alternates the screen image from computer display to monitor display to simultaneous display on both the computer and the monitor.

22 Chapter 5 Pointing devices and keyboard

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Contents HP 4320t Mobile Thin Client Product notice Safety warning notice Iv Safety warning notice Table of contents Applications Multimedia Inserting a digital card Removing a digital card Hardware upgrades Page Identifying the hardware DisplayTop Pointing devicesLights Buttons, switches, and speakers Keys Fn keyFront Environmental NoticesRight side Left sideWireless antennas BottomIdentifying the labels Component Description File-Based Write Filter Using the File-Based Write Filter command line utilityHP Write Filters Using the File-Based Write Filter configuration interface Using the File-Based Write Filter status utilityUsing the Enhanced Write Filter command line utility Enhanced Write FilterUsing the Enhanced Write Filter configuration interface AllUsing the Enhanced Write Filter status utility Configuration Local drivesDrive Z Drive CUser accounts Mapping network drivesRoaming profiles Creating a new user accountPage Applications Remote Desktop ConnectionHP Remote Graphics Software RGS TeemTalk Terminal EmulationHP ThinState Deploy HP ThinState CaptureMicrosoft Internet Explorer Windows Media Player Pointing devices and keyboard Using pointing devicesUsing the keyboard Switching the screen image Displaying system informationDecreasing screen brightness Increasing screen brightnessUsing the keypads Using the embedded numeric keypad Enabling and disabling the embedded numeric keypadUsing an optional external numeric keypad Switching key functions on the embedded numeric keypadPower Power control and light locationsSetting power options Using power-saving statesShutting down the computer Initiating and exiting SleepUsing battery power Using the Power MeterDisplaying the remaining battery charge Inserting or removing the batteryCharging a battery Resolving a low battery level Managing low battery levelsIdentifying low battery levels Disposing of a used battery Conserving battery powerStoring a battery Using external AC power Connecting the AC adapterPage Multimedia Using multimedia hardwareUsing the audio features Using the video features Using the audio-in microphone jackUsing the audio-out headphone jack Adjusting the volumeUsing the Hdmi port Using multimedia software Using multimedia softwareOpening preinstalled multimedia software Preventing playback disruptions Wireless About integrated wireless devicesUsing wireless controls Using WlanSetting up a Wlan Connecting to a WlanUsing wireless security features Identifying a Wlan deviceModem and LAN Using a modemConnecting a modem cable Connecting a country- or region-specific modem cable adapter Selecting a location setting Adding new locations when travelingSolving travel connection problems Viewing the current location selectionSet the modem to ignore dial tones Connecting to a local area network Protecting the computer Using passwordsSecurity Setting passwords in Windows Using administrator and user passwordsAutomatic logon Manual logonSetting passwords in Computer Setup Using a setup passwordAdministrator logon Managing a setup passwordInstalling a security cable Entering a setup passwordConnecting hardware Using a USB deviceConnecting a USB device Securing USB portsUsing the USB Storage Options utility Using Media Card Reader cards Inserting a digital cardRemoving a digital card Inserting an ExpressCard Using ExpressCardsConfiguring an ExpressCard Removing an ExpressCard Hardware upgrades Identifying installed drivesUsing optical drives select models only Handling drivesInserting an optical disc CD or DVD Removing an optical disc CD or DVDWhen the disc tray opens When the disc tray does not openUsing external drives Using optional external devicesUsing an optional external MultiBay or external MultiBay Inserting and replacing memory modulesPage Page Page Page Page Page Enabling boot devices in Computer Setup MultiBootAbout the boot order device Considering boot order changes Choosing MultiBoot preferencesSetting a MultiBoot Express prompt Setting a new boot order in Computer SetupDynamically choosing a boot device using the F9 prompt Entering MultiBoot Express preferences Computer Setup Starting Computer SetupUsing Computer Setup Navigating and selecting in Computer SetupFile menu Computer Setup menusRestoring factory settings in Computer Setup System Configuration menu Security menuComputer Setup menus Computer Setup Cleaning the display Cleaning the keyboardRoutine care Traveling and shippingPage Index USBHdmi Hdmi USB

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