Keyboard, F1 to F12 function _ shi da te I ru you

All keyboard has at least 12 function keys, usually called the f key, its location is at the top of the keyboard in General, from F1 to F12. But do you know all these keys? how do you know the key for you to save time? F1: If you are in a selected program and need help, press F1. If you are not in any program, but rather in the Explorer or the desktop, and then press F1 appears Windows Help program. If you are working on a program and want to get Windows help, you need to press the Win + F1. Press Shift + F1, the What'sThis? " Help information. F2: if Explorer select a file or folder, press F2 will be on the selected file or folder to rename. F3: in Explorer or the desktop, press F3, "search files" window, so if you want to the files in a folder to search, then press the F3 key directly to quickly open a search window and the search scope is set by default to the folder. Similarly, pressing the WindowsMediaPlayer, it appears "by searching computer add to media library" window. F4: this key is used to open the address bar in IE, IE you want to close the list window, you can use the Alt + F4 key combination. F5: Refresh IE or Explorer are the contents of the window. F6: can quickly in Explorer and IE to navigate to the address bar. F7: Windows does not have any effect. However in the DOS window, it is, try look! F8: start the computer, you can use it to display the start menu. Some computers can also start the computer by pressing the keys initially to quickly bring up startup settings menu where you can quickly select the floppy disk boot, or CD, or directly from the hard disk boot, you don't have to bother entering the BIOS boot order changes. In addition, you can install Windows to accept Microsoft's installed protocols. F9: on Windows also does not have any effect. But in Windows MediaPlayer can be used to quickly lower the volume. F10: used to activate Windows or programs menu, press Shift + F10 shortcut menu appears on the right. And keyboard Application keys are the same. WindowsMedia Player in, its function is to increase the volume. F11: you can make the current Explorer or IE into full-screen display. F12: on Windows also does not have any effect. However, in Word, press it will quickly pop up a save as file window