Modifying this control will update this page automatically
Troubleshoot Japanese on Mac when characters repeat
If you have another keyboard, try using it. If characters are not repeating with the second keyboard, the original keyboard may not be working correctly.
In the Keyboard Viewer on your Mac, do any of the following:
Make sure the characters displayed correspond to the characters you press on the keyboard.
Check whether there are any icons displayed in gray. If so, a key may be stuck in the down position.