All of a sudden, two of my PCs (after using Windows 10 for months) decided to add a US keyboard to my PC (I only use UK keyboards).

I went to the UK display language in settings menu, and it only shows the UK keyboard. No US keyboard shown at all. I know people have had issuses with the 'hidden' US keyboard.

So I tried several things

1) I added the US keyboard so I could see it, and then deleted it and it made no difference.

2) I then added US english display language, and deleted it again. Still no difference.

3) I then added US English display language and and made it the default language, added UK keyboard, deleted US keyboard. Then I made UK English default again, and deleted US language. THIS WORKED.

What a palaver though!