What is the use of pressing F1 to F12 on a computer keyboard?

What are F1 and F12 used for?

All keyboards have at least 12 function keys, often referred to as the F key, which are generally located at the top of the keyboard, from F1 to F12. But you know all.

Do these keys work? Do you know how these keys can save you time?

F1: If you are in a selected program and need help, press F1. If you are not in any process now, but in capital.

Source Manager or Desktop, then press F1 and the helper of Windows will appear. If you're working on a program and want to get it.

Windows Help, you need to press Win F1. Press shift+f1 and it will appear"what's this?"for help information.

F2: If a file or folder is selected in Explorer, pressing F2 will rename the selected file or folder.

F5: Used to refresh the contents of the window currently in IE or Explorer.

F7: Doesn't work in Windows. But in the DOS window, it works, give it a try!

F8: You can use it to display the boot menu when you start up your computer. Some computers can also quickly bring up boot by pressing this key at the beginning of the computer startup.

The settings menu allows you to quickly choose whether to boot on a floppy disk, a disc boot, or directly from a hard disk, without having to go into the BIOS to boot it.

Modification of the order of movement. In addition, it is possible to accept Microsoft's installation agreement when installing Windows.

F9: Again it doesn't work in Windows. But in Windows Media Player, it can be used to quickly lower the volume.

F10: Used to activate the menu in Windows or programs, pressing Shift F10 will bring up the right-click shortcut menu. and the application key in the keyboard.

The effect is the same. Whereas, in Windows Media Player, its function is to increase the volume.

F11: You can make the current explorer or IE full-screen.

F12: Again it doesn't work in Windows. But in Word, pressing it will quickly pop up the Save as File window.

The function of keys other than alphabetic and numeric keys on the keyboard.

esc cancel key to discard the current state or command.

The F1-F12 function keys are equivalent to the shortcut keys of the program. Different programs have different definitions, and in general F1 is helpful.

Alt is the toggle key, which, together with other keys, toggles the function and is rarely used alone. The Ctrl control key, along with other keys, is rarely used on its own. Shift the shift key, enter the top one with two characters on the key face.

tab key, move down and right by one tab stop (8 characters by default, that's 8 spaces), or jump to the next object of the same kind. Caps lock key.

delete key to delete the characters in their location. insert key, which is used for text. home key, and the cursor moves to the line head.

end button, and move the cursor to the end of the line. page up to turn one page. puge down to turn down a page.

Enter key. scroll lock, press the screen once to stop scrolling.

Print Screen, you press this key, then open, start-program-accessories-drawing, press Ctrl+V or menu-paste, and you will see your desktop.

F1: If you need help in a selected program, press F1 to get help. If you are not in the program, you are in Explorer or on the desktop, pressing F1 will bring up the helper of the Windows interface.

f2: If a file or folder is selected in Explorer, pressing f2 will quickly rename the selected file or folder.

F3: If you want to search for a file in a folder, press the F3 key to quickly open the search window, and the search scope is set to that folder by default. If you press F3 in Windows Media Player, the window "Add to ** Library by Searching for Your Computer" will appear.

F5: If you want to refresh the contents of the window you are currently in in IE or Explorer, you can press F5.

F7: Press F7 to list all the used ones, and the record will be automatically cleared when the window is closed. In fact, it doesn't have any role in Windows, it will only show its role in the DOS window, it will show some DOS commands that have been used recently, if you enter some commands under the command line, the system will help you automatically record, when you need to enter the same command again, you can directly press the up and down arrows to call up the corresponding commands.

F8: Press F8 to display the startup menu when you start the computer. You can quickly bring up the boot settings menu, quickly select floppy disk boot, or disc boot, or directly boot with hard disk, and enter the BIOS to modify the boot sequence.

In addition, it is possible to accept Microsoft's installation agreement when installing Windows.

F9: Pressing F9 doesn't actually have any effect in Windows. But in Windows Media Player, it can be used to quickly turn down the volume.

F10: Press F10 to activate Windows or in-program menus, and Shift+F10 will bring up the right-click shortcut menu. In Windows Media Player, it can be used to increase the volume.

F11: Press F11 to make the current explorer or IE a full-screen display.

F12: Pressing F12 has no effect in Windows. In Word, it will quickly pop up the Save as File window.

Among the F1 to F12 buttons, there are only a few keys that are most reused, but do you know what each button does? How do I use it? I'll introduce them one by one below, so that you can familiarize yourself with every wonderful use of the system!

F1: When you enter the xx program, pressing F1 will bring up a help prompt, and when you are in the Widows explorer, pressing it will bring up the help menu of Windows.

f2: When you select a file (whatever it is), pressing f2 will rename the file.

F8: When you boot up your computer, you can use it to display the boot menu of your computer system. Some computers can also press this key at the beginning of the computer boot to quickly bring up the boot settings menu, from which you can quickly choose whether to boot on a floppy disk, a CD, or directly with a hard disk, without having to go into the BIOS to modify the boot sequence.

Alternatively, you can install Windows in the middle of nowhere

accept Microsoft's installation agreement.

F10: Used to activate Windows

or the menu in the program, pressing Shift F10 will bring up the right-click shortcut menu. The application key in the keyboard functions the same. And in Windows

Media Player, its function is to increase the volume.

F11: You can set the window you are currently using to full screen, and restore the original size is also this button!

F12: On Windows

Again, it doesn't do anything. But in word

on your Mac, press it to quickly pop up the Save as File window.