Computers. Also Ctrl-Alt-Delete . a combination of three keys on a PC keyboard, usually labeled Ctrl, Alt, and Delete, held down simultaneously in order to close an application that is not responding, reboot the computer, log in, etc.

What Ctrl button deletes?

The delete key is at the opposite end of the keyboard from the Ctrl and Alt keys. See Command-Option-Escape and Win Task Manager. Pressing Ctrl-Alt-Del in Windows 10 displays a menu in which Task Manager is one of the options.

What happens Control Alt delete?

The Ctrl-Alt-Delete key combination allows the user to terminate the "hung" application and, if that doesn't work, to reboot the system. The system can also be restarted using the mouse to select Start-->Turn Off the System-->Restart. However, Ctrl-Alt-Delete sometimes works when the menu option doesn't.