Troubleshooting

The most common keyboard problems, and how to fix them.

Swapped keys, a layout that changes on its own, a missing AltGr key: these guides explain the cause of each problem and how to fix it. If your case is not listed, use the “Report a mistake” form on any character page.

Where is the AltGr key on a Mac?Mac keyboards have no AltGr key: the Option key does that job. Here is how it works, including with a PC keyboard.
The @ key types < (or the other way round) on a MacTwo keys swapped on an ISO Mac keyboard: the cause is almost always the keyboard type macOS detected.
My Mac types with the wrong keyboard layoutKeys do not type what is printed on them? The active input source is wrong. Here is how to fix it.