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What do you know about functions of F1~F12 function keys on keyboard?
By typing every day, we don't really know much about keyboard. Most of keyboards we use have at least 12 function keys, commonly referred to as F-keys, and their position is usually at top of keyboard. . What is function of the two keys?
F1: If you need help with selected program, press F1. If you are not in any program, but in resource manager or on desktop, then press F1 and Windows help program will appear. If you are working with program and want to get help from Windows, you need to press Win+F1. Press Shift+F1 and help message "What is this?" will appear.
F2: If a file or folder is selected in Explorer, pressing F2 will rename selected file or folder.
F3: press F3 in explorer or desktop and a "file search" window will appear, so if you want to search for files in a specific folder, you can quickly open it by pressing F3 key Search window and search scope has been set to this default folder. Also, click it in Windows Media Player and "Add to Library by Searching for Computer" window will appear.
F4: This key is used to open address bar list in IE. To close IE window, you can use keyboard shortcut Alt+F4.
F5: Used to refresh contents of current window in IE or Explorer.
F6: You can quickly find address bar in Explorer and IE.
F7: Has no effect on Windows, has some effect on DOS window, displays recently used DOS commands, i.e. after typing some commands on command line, system automatically records, but when you need to type same command again, you can directly press up and down arrow symbols to call corresponding command. Similarly, F7 should list all in use, and entries will be cleared after window is closed.
F8: When you start your computer, you can use it to display boot menu. Some computers can also press this key at beginning of computer startup to quickly bring up a startup options menu from which you can quickly choose to boot from a floppy disk, CD, or directly from hard drive without having to bother entering BIOS to change startup sequence. Alternatively, you can also accept Microsoft Install Agreement when you install Windows.
F9: Also doesn't work on Windows. But in Windows Media Player, it can be used to quickly turn down volume.
F10: Used to activate menus in Windows or programs. Press Shift+F10 and a right-click context menu will appear. In Windows Media Player, its function is to increase volume.
F11: The current explorer or IE can be expanded to full screen.
F12: Also doesn't work on Windows. But in Word, when you click it, a window for saving as a file quickly opens. In addition, in IE, you can quickly bring up IE Developer Tools window, which is convenient for programmers.