I recently updated to Sierra. Now the Input Sources Menu isn't working. My 2 source are listed (US & Unicode) but selecting them does nothing. The checkmark doesn't move, the menu title doesn't change, and the keyboard function doesn't change.

Additionally, the "Show/Hide input source name", "Show Emoji & symbols", and "Show character viewer" menu options tend to just disappear from the menu and stay gone until reboot.

Any idea what would cause this, and/or how to fix?

  • Try setting up another user account and see if you have the same problem when logged into that. – Tom Gewecke Nov 19 '16 at 0:37
  • @TomGewecke Logging into the Guest Account, it works fine. Does that suggest it's a bad prefs file? And if so, which one covers this stuff?) – Jerry B Nov 19 '16 at 6:11

I believe I have fixed it. Based on some pages I found, I ended up deleting some prefs:

rm ~/Library/Preferences/ByHost/com.apple.HIToolbox*
rm ~/Library/Preferences/com.apple.HIToolbox*

After rebooting, the menu now acts normally. If no other problems crop up soon, I'll mark this as answered.

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