microsoft keyboard 4000 function keys

1keyboard function keys and shortcut keysOpen the System on-screen Keyboard:Window key + R, open Run command, enter Osk, return to open.1.1keyboard function keys(9) Serial number function keys Description

Lenovo G400, G500, G490 series models, F1-F12 function keys on the keyboard, by default is used as a specific hot key, as shown below:Press the hot key to quickly implement the corresponding function, as shown in the figure below:However, when using specific software or playing games, these buttons need to be frequentl

Copy Code code as follows: Say the red above the insert into the Web page you can achieve the right mouse click is not valid Onselectstart= "return false" prohibits selection, ondragstart= "return false" to prohibit drag and drop, Oncopy=document.selection.empty () prohibit copy. Forbidden to Save: Prohibit pasting: Close IME: Mask right mouse button: function Document.oncontextmenu () {event.returnvalue=false;} Shielding F1 Help:

There are many ways to disable the keyboard function keys. This article describes in detail how to disable the keyboard function keys and other keys using javascript. For more informati

This article mainly introduces how to trigger the function by pressing the left and right keys on the js keyboard. If you need it, please refer to it and hope to help you. The Code is as follows:

Use the Fn+ function key to compose the shortcut key feature. ESC: Sleep mode. F2: Used to display the remaining battery charge. F3: Euro currency unit symbol. F4: After you connect an external monitor or TV, output the screen to an external display or TV. F5: Turn LCD backlight on or off. F6: For mute or mute. F7: Start the Samsung Service Center feature, which is a system for self-diagnosis and recovery prog