I found this on the lenovo forum, created by member vanowm
It works on Z580 and Y580 and most likely many other models, make a recovery point before installing.
If you have done a clean install or killed your OKR button by formatting or resizing your C: partition, you can use these files to remap your useless OKR button, to open a file or change your power profile.
Do not use this if your OKR button is working correctly, as it will no longer work.
I set my OKR button to open the taskmanger.
Zippyshare.com
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Tinderbox (UK) BAKED BEAN KING
Free : Remap OKR Button to open file or change power profile
Discussion in 'Lenovo' started by Tinderbox (UK), Feb 10, 2013.