Control-Command-F: Use the app in full screen, if supported by the app.Control–Command–Space bar: Show the Character Viewer, from which you can choose emoji and other symbols.
Learn how to change a conflicting keyboard shortcut.) (If you use multiple input sources to type in different languages, these shortcuts change input sources instead of showing Spotlight. To perform a Spotlight search from a Finder window, press Command–Option–Space bar.
To minimize all windows of the front app, press Option-Command-M.
To make up for the inconvenience, Apple offered free repairs to the Mac models that were affected by the keyboard issues.
At the end of June 2018, Apple admitted that there were keyboard problems with certain MacBook, MacBook Pro, and MacBook Air models.Mac menus and keyboards often use symbols for certain keys, including modifier keys: Command (or Cmd) ⌘. (This is a setting that lets you disable the Caps Lock key, among other things.) In the window that slides open, click the Restore Defaults button, then click OK. Make sure the Keyboard tab is selected, then click the Modifier Keys button. Click on the Apple menu in the top-left corner of the screen, select System Preferences, then click Keyboard. Press the 'control,' the 'command' and the eject keys at the same time. Force restarting with a keyboard command 1.