service the keyboard. the dust inside the key.
The squiggle is called a tilde, its located near the return key, if this doesn't work depending on your keymap(what country your keyboard is from will have it laid out differently) it can also be over the tab key, that's the one just below the Esc key.
Esc key
The "esc" key often does this.
The tab key and esc key gets the user out of an application. The enter key is the key that confirms entries.
The ESC key can be your friend in some circumstances. If you click on a menu item by mistake, sometimes you can cancel the task by pressing the ESC key. If you start typing in a cell and change you mind, just press the ESC key to blank the cell and let you start over.
Esc
The keyboard shortcut notation ctrl plus esc means you press the Control key concurrently with the Escape key. On a Windows PC, the Ctrl + Esc shortcut produces the Start Menu.
Follow either of the following sequences: Either press the ESC key, then ZZ, or press the ESC key, then type :wq
The Escape key, which sometimes just has Esc on it.
Esc
No, can´t.
Press the ESC key.