"FN" means "function", which is used to form key combinations with other keys to achieve control. It is a key that appears in the lower left corner of the notebook and netbook keyboard. Some notebooks put the CTRL key in the lower left corner, and FN is in the bottom row of the keyboard from the left to the second position. "Fn" with a lot of blue engraved, but also useful green, purple, and the combination of keys to implement the function of the same color on the other key to express. These key combinations can be used to adjust hardware (hibernate, toggle display), or to implement keys that are omitted from the notebook on the desktop.
Although this layout design in the industry has been controversial, but for the old user does not affect. The FN key does not function as input in the notebook, it is the same as the CTRL key, and the combination of the FN key and the other keys can be directly supported by the BIOS (which is the practice of most brands), or it can be software level (e.g. Sony's approach), Of course, the most current form is mixed, that is to say, some key combinations are directly supported by BIOS in any environment, and some key combinations require additional software support in the operating system to be effective.
Most FN combinations are implemented using the FN key plus ESC or the F1~F12 key, but there are some vendors (such as IBM, Compaq, and Sony) that have a combination of the FN key and the letter key, and most of these combinations are "secret" to the average user: Below we will also share these special key combinations. The combination of the FN key and the corresponding function is generally unified in the whole brand. Fn + up/down key to adjust the brightness of the display; Fn + SAS key to turn on or off the external CRT monitor or projector.
fn Function key Daquan--IBM article
FN+F2: Quickly lock your computer
FN+F3: Turn off the screen display, touch the mouse or any key to reopen the screen. Note: R400 is the choice of battery scheme, management power supply, battery
FN+F4: Set the system on standby.
FN+F5: Turn on/off wireless communication (only available under Windows)
FN+F7: Screen Switching (useful only if you have an external monitor)
Fn+f8: Lashin or stop the Lashin screen (used when the resolution is less than the maximum resolution) Note: R400 is the touch screen and the disabled selection of the joystick
FN+F12: Set the system to hibernation
Fn+home/end: Increase/decrease screen brightness
Fn+pageup: Open the Thinklight light at the top of the screen
fn+ Space: Reduce screen resolution (valid only on Windows)
FN+SCRLK: Start the numeric keypad (on the letter/numeric keypad, respectively: m-0;j-1;k-2;l-3;u-4;i-5;o-6;7-7;8-8;9-9)
fn+ Direction ↑ Key: Stop playing;
fn+ direction → Key: next song;
fn+ Direction ↓ key: Play/pause;
fn+ Direction ← Key: On a song
Note: Fn+f5 is the new function from T40 and X31, after press will appear ThinkPad style wireless device switch interface, allow you to choose Wireless network card and Bluetooth device switch, for the model without the Bluetooth module installed, the Bluetooth option will not appear, if even the wireless network card module is not, Then this interface will not appear, press FN+F5 will not have any reaction. fn Function key Daquan--hp article
FN+F1: Open Help and Support programs
FN+F2: Print (for X1000 only), wireless network card switch (only used for Compaq dedicated Muthport wireless network card components, only for n800v)
FN+F3: Open IE browser (for Windows environment only)
FN+F4: Toggle Monitor
FN+F5: Put the machine in hibernation, n800v for FN+F3
FN+F6: Lock Computer (for Windows environment only, and must preset user password)
FN+F7: Reduce screen brightness
Fn+f8: Increase screen brightness
FN+F9: Play/Pause audio CDs or DVDs (for Windows environments only, and for audio CDs and DVDs only)
FN+F10: Stop playing audio CDs or DVDs (only for Windows environments and for audio CDs and DVDs only)
FN+F11: Play the previous paragraph of an audio CD or DVD (for Windows environments only, and for audio CDs and DVDs only)
FN+F12: Play the next section of an audio CD or DVD (for Windows environments only, and for audio CDs and DVDs only)
Fn+insert: The equivalent of pressing the print screer (screen printing) key. For X1000 only
Fn+del: The equivalent of pressing the SYS RQ key. For X1000 only
Fn+end: The equivalent of pressing the SCROLL LOCK key. For X1000 only
Fn+pgup: The equivalent of pressing the pause key. Apply only to X1000
FN+PGDN: The equivalent of pressing the break key. Only applicable to X1000 FN function key Encyclopedia-Toshiba
Fn+esc: Mute/restore Volume
FN+F1: Clear the screen
FN+F2: Switching power management topics
FN+F3: Set to wait state
FN+F4: Set to Hibernate
FN+F5: Toggle Monitor
FN+F6: Reduce screen brightness
FN+F7: Increase screen brightness
Fn+f8: Open the wireless network card signal
FN+F9: Enable or disable the built-in mouse touch panel
FN+F10: Turn the letter key on the right into a direction
FN+F11: Turns the letter key on the left to a number
FN+F12: equal to SCROLL LOCK key function
Fn+home: Equals Pause key function
Fn+end: Equals Break key function
Fn+1: Lower Volume
Fn+2: Increase the volume
fn+ space bar: Toggle screen resolution to 800*600
In addition, Toshiba also provides a Fn-esse program for users to define their own FN key combinations, you can create their own shortcuts. The FN key feature Daquan---Sony chapter
Fn+esc: Set to wait state
FN+F3: Mute (only valid in Windows)
FN+F4: Eject the volume adjustment status bar (only valid in Windows)
Fn+f5: Eject the Brightness regulation bar
FN+F7: Toggle Monitor
FN+F12: Set the system to hibernation
FN+NUMLK: Press equal to SCROLL LOCK key
Fn+insert: Press equal to pause key
Fn+delete: Press equal to break key
fn+ up ARROW key: Press equal to page UP key
Fn+ down ARROW key: Press equal to PAGE down
fn+ RIGHT ARROW key: Press Equal to Home key
Fn+ left ARROW key: Press equal to end
Fn+f: Lashin or not lashin screen (useful only in Windows)
fn Function Key Encyclopedia--Samsung articles
Fn+esc: Put the machine in a wait state. (P25 is: FN+F5)
FN+F2: Battery Status Display
FN+F4: Toggle Display Device (P25: FN+F7)
Fn+f6: Mute (P25: Fn+end)
FN+F7: Turn off SPDIF output (P25: Fn+f8)
FN+F11: the equivalent of pressing NUM LOCK
FN+F12: equivalent to pressing SCROLL LOCK (P25: FN+F10)
fn+/DOWN ARROW key: increase/decrease brightness
Fn+ left ARROW key/Right direction key: Increase/Decrease Volume (P25: Fn+page up/page down) The following two shortcut keys are only suitable for P25
FN+F11: The equivalent of pressing pause
FN+F12: Equivalent to press the break FN function key Daquan--sharp article
FN+F2: Connect/Disconnect the wireless card signal
FN+F3: Monitor Switching (FN+F5)
Fn+f6: Mute/Mute
Fn+f8: Increase screen brightness (FN+F7)
FN+F9: Reduce screen brightness (FN+F6)
Fn+scrlk: equal to pressing the break key
Fn+insert: equal to press the Print SCREEN key
Fn+del: equal to press the PAUSE key fn key---asus article
FN+F1: Enter Standby or Hibernate mode
FN+F2: Open the built-in wireless network function
FN+F5: Dimming LCD display brightness
Fn+f6: Brightness of LCD screen
FN+F7: LCD display backlight light switch
FN+F8: Switch to LCD display, external monitor or TV
FN+F9: Turn on or off the touch pad feature
FN+F10: Mute switch (only available under Windows System)
FN+F11: Lower volume (only available under Windows System)
FN+F12: Increase volume (only for Windows system)
Fn+del: Turn on or off the lock scroll bar feature
Fn+ins: Enable built-in numeric keypad. Built-in digital keyboard function, is the notebook computer Center on the right of a total of 15 keys as a general desktop keyboard most of the number keys to use. Like the desktop numeric keypad, in addition to being used as a numeric keypad to facilitate large numbers of input, it can also be used as a directional key on a numeric keypad.
Fn+t: Start ASUS Power 4 Phone App
FN+V: Starting digital camera applications and taking photos
Fn+: Equivalent to Performance settings shortcut keys, press to set the system performance and power-saving relationship between
Fn+c: This key can switch the screen to different color settings options, in the upper left of the screen will appear FN key---Lenovo article
Lenovo's FN key is relatively simple, but its icon indicates a more personalized, even notebook veteran may not be able to read some shortcuts to the chart oh.
FN+F1: Put the computer into sleep mode
FN+F2: Turn off/turn on LED screen backlight
FN+F3: Switch to other connected display devices
FN+F4: Toggle between wide screen and general mode
FN+F5: Call the wireless device on/off control interface
Fn+f8: Enable/disable Touch pad
FN+F9: Play/pause Media Player playback
FN+F10: Stop media Player from playing
FN+F11: Jump to the top of a track
FN+F12: Skip to next track
Fn+delete/scrlk: Enable/Deactivate SCROLL LOCK
FN+INSERT/NMLK: Enable/disable numeric keypad
FN+PRTSC/SYSRQ: System Request key
fn+ up/down arrow: Increase/decrease display brightness
fn+ right/LEFT arrow: Increase/decrease computer volume
Fn+pgup: Move the cursor to the beginning of the line
FN+PGDN: Move the cursor to the end of the line FN function key Daquan--acer macro base
Fn + F1 Hotkey helps show hotkey Help content
Fn + F2 Acer esettings can start Acer in Acer emanager combination
Fn + F3 Acer epowermanagement can start Acer in Acer emanager combination
Fn + F4 Sleep Let the computer into sleep mode
The Fn + F5 display screen switch can be used only in the following three display modes, using the display screen and the external monitor only when using a connected external monitor
Fn + F6 black screen to turn off the screen background light to save power by any, will return to normal display
Fn + F7 Touchpad toggle turn on and off the built-in touchpad feature
Fn + F8 Speaker Toggle turn on or off speaker
Fn +↑ turn up the volume and increase the speaker volume
Fn +↓ Lower volume and lower speaker volume
Fn +→ High brightness to improve screen brightness
Fn +← low brightness and low screen brightness
NUM LOCK Fn + F11 The embedded keypad will be in digital mode when the NUM LOCK key is locked. All keys are equivalent to the Calculator key function (including +-*/arithmetic operator) If you want to enter a large number of digital information this mode will be perfect for you if you can connect the external keyboard is better
Scroll Lock Fn + F12 when the Scroll lock key is locked, you can press the UP or down arrow screen to move up or down one row Scroll lock key may not work in some applications. fn Function key Daquan--dell article
Dell's 8000 shortcut level is the Dell traditional style, there is no user-defined independent shortcut keys, the most distinctive place is the use of FN+F10 directly eject the CD-ROM tray, so as not only to avoid groping the CD-ROM on the pop-up button on the trouble, but also reduce the loss of the optical drive itself
FN+ESC: Select the preset power management mode
FN+F2: Turn on or off the wireless network card function DELL8000 none)
FN+F3: Display Power table
Fn+f8: Toggle Monitor
FN+F10: Eject the optical drive
fn+/DOWN ARROW key: increase/decrease brightness
Fn+end: Mute
Fn+pgup: Increase the volume
FN+PGDN: Lower Volume
Fn+num Lock:: The equivalent of pressing SCROLL LOCK