What are the functions of the computer keyboard F9, what should I do if the computer keyboard F9 can

The letters in the main keyboard area are used for typing or typing English letters, the number key area is the number that needs to be used when dealing with files and other things, and the control key area is used to control the page.

Press the shift and ctrl keys at the same time, adjust the pinyin mode, and the capslock button is to adjust the letter size. The esc on the left is the exit key, and below the function key is the number key, and the number key also has the function of a symbol, and there are signs on it, but when you want to enter the symbol, you need to press shift first, and then press the number key.

The computer keyboard is divided into notebook and ordinary desktop keyboard, and the ordinary desktop has more function keys than the notebook computer keyboard, but there are not necessarily many functions, and the notebook's is just simplified.

What should I do if the computer keyboard F9 can't be used, which key can be replaced?

This really can't be replaced, you can go to a new keyboard, but the F9 key is rarely used in ordinary life, basically it can be said that it has not been used at all, if you want to use numbers, you can press the number of the keypad, you can also use the mouse to choose.

This one is a function key, and there is no substitute for it. This function key is generally useless, even if you need to use this F9 shortcut key in some software, you can set it yourself in the software, and you can change this key to other keys, but this key on the keyboard cannot be replaced.

Any one of the function keys can be replaced. F9 can be replaced with other less commonly used F-keys.

Use the keyboard key modification software to mask this key and replace it with another key or key combination;

1. According to the principle of using compound keys, there is a "FN" button in the lower left part of the keyboard, and the corresponding function marked on the adapter will be realized only after holding down "FN" and then pressing the F1-F12 keys.

2. When you press F1-F12 alone, it is the function of F1-F12. So if you press these keys individually, then it can only be said that they will not play an adjustment function.

F1 - Introduction to the function of the F12 key.

F1: Help If you need help with a selected program, press F1, or if you need help with a program, press Win + F1.

F2: Rename key Select a folder and press F2 to rename the folder.

F5: Refresh key is used to refresh the content of the IE or the current window.

F7: Not useful in Windows, but in DOS you can enter character C.

F8: You can use it to display the boot menu when you start up your computer.

F9: Doesn't have any use in Windows, but can be used to quickly lower the sound in Windows Media Player.

F10: Used to activate the menu in Windwos or the program, pressing Shift+F10 will bring up the context menu. In Windows Media Player, the effect is to quickly increase the volume.

F11: It is possible to make the explorer or IE window full screen.

F12: Doesn't work in windwos, but in word it pops up a save as window.