MSzturc Posted May 6, 2020 Share Posted May 6, 2020 (edited) Hi, today I noticed that there is a LED on the F4 Key on the Precision Keyboard ( same as on F1 Key ). Does anyone have a code snippet that shows how to set the LED? I've found a solution. The Method SB.PCI0.LPC.EC.HKEY.MMTS controls the LED state. It has one parameter: 0x00 - LED is off 0x02 - LED is on 0x03 - LED is blinking I've build a LED toggle for my Thinkpad T460. Who wants to give it a try could find my source here Edited May 7, 2020 by MSzturc solution found 1 2 Link to comment https://www.insanelymac.com/forum/topic/343719-thinkpad-precision-keyboard-led-control-f4-led/ Share on other sites More sharing options...
junaed.rx Posted May 7, 2020 Share Posted May 7, 2020 Great work! Link to comment https://www.insanelymac.com/forum/topic/343719-thinkpad-precision-keyboard-led-control-f4-led/#findComment-2721335 Share on other sites More sharing options...
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