Fixed with one button press - stupid simple

If the Wireless Keyboard by Apple disconnects, there is not much help on the internet and Apple's help talks a lot about how it should work, but not, if assistants fail.
How to pair the Apple Wireless Magic Keyboard. Here's what worked for me.

Disclaimer: This is a method I found out trying while not being an apple certified engineer. You do this on Your own risk.

[thatrobwicks]

Thanks so much
(Typed with my bluetooth keyboard!!!)

[rossdungey]

Thanks so much. You're right, Apple instructions are no help. Luckily, you are.

[MrrDoNN]

LOVE YOU! Typed on the reconnected keyboard! Thanks

[annavasudevanyoga]

Wow so simple and so effective! Thank you!

[Ajsmiith]

wow that worked perfect! Thank you very much!

[szabomar]

Worked! dont let go - very important, thanks!

[victorpaz]

I never commented anything. You are a legend

[izperehoda]

"re-pair", huh? Nice wordplay.