To check the physical state of your keyboard, you can try to connect an external keyboard on your system or try the on-screen keyboard and check if the Ctrl key is working on it or not.

If Left Alt key and Windows key are swapped on Windows 11/10, check which type of keyboard you are using. Use these solutions to fix this.

If you don't remember to check the batteries of your Apple keyboard, don't worry – macOS will display a notification when the battery level falls to 10% or under.