Something to try that is so far working for me. First reset so it stops typing. I've found several minutes worth of use recorded under a macro key before so resetting is really the only sure fire way to stop the macro that I know of. Next open a notepad and check all 6 of your macro keys, if you don't use them they should be set to simply 1-6. If any of them start typing in the notepad other then just the corresponding number (or a macro you actually use) that key has a macro on it which can include minutes of nothing making you think the keyboard just isn't responding. Might have to reset again at this point depending how long it is. Next set the wheel in Macro mode and record that key back to a default number. The number just helps me know it's blank/cleared really. Looks like this. Press middle wheel button to red (Macro Mode), while red hold middle wheel button down until a small flashing M lights up on the left side of the center display at the top of the keyboard. Once the M is flashing it's ready to record a macro. Press the offending G key that needs to be cleared, the number associated, then that same G key again and the lit up M will turn off indicating it is done. I have found various ramblings recorded, I'm not sure what always is triggering macro mode to start recording my use to a key but I have cats so I'm blaming them for now as I know I'm not using that wheel button.