Endless and un-stoppable keyboard inputs after wake up from sleep

I have this strange thing happen from time to time, but now if more often.

I use Microsfot wireless keyboard, magic touch 2 touch pab, connect to 2020 version of macbook pro.

After it wakes up from sleep (unlocked by apple watch), I got an endless and un-stopable keyboard input stroke stream to no where, I know it's keyboard because:

1. The sound is from macbook, it's keyboard overflow sound.
2. If I click logout, after logout, when I click log in, the password field immediately filled with seeming infinite number of key strokes and key stroke beeps countinues and un-stoppable.

I have to restart machine and issue goes away.

It seems the keyboard automatically send endless strokes to the mac. But how can that be?

Hi J Maxx,

Welcome to Apple Support Communities. We understand that you're having an issue with your keyboard input when your Mac wakes from sleep. We'd like to help.

Do you notice this same behavior if you are not using your Apple Watch to unlock your Mac? How about if you use your Apple Watch but are using the Mac keyboard? Do you still notice the keyboard inputting characters in the password field? Isolating this behavior a bit more can help determine the best way to get it resolved.

You mentioned that restarting your device can help. Does this happen when you're in safe mode? If you're not sure, follow these steps to see if you experience the same thing: How to use safe mode on your Mac.

Keep us updated!

It seems it relates to a music software Roon. If I don't have Roon running, then it does not wake up with endless key strokes.

Hi J Maxx,

Thank for the confirmation.

Sounds like this is isolated to Roon. It's possible that removing and reinstalling this app can help, but we'd recommend checking with the app developer to make sure that's the best step to troubleshoot this issue. Since it's happening with this app only, they would be the best resource to get this resolved.

Take care!

Tried no Roon overnight, it still pops some key strokes in the morning. So not running Roon didn't totally resolved it. But this morning key strokes were not endless, only about 30 or so. Has to observe more to infer possible sources.

Thanks for your help

Cheers

Jay

Hi Jay,

We appreciate the update.

Sounds like there still needs some additional isolation steps. Were you able to boot into safe mode? This can help with isolation so we don't want you to forget to try that out.

Take care and keep us updated on how this goes.