My unit is this ... I have the one with UltraNav. Model No: SK-8845 RC FRU P/N: 40K94 19 What is happening with it ? 1- the "Lenovo system update" keep saying me that I need to update the drivers. 2- Last "Windows 10 update" told me the same ... In both cases I installed and updated ... First the Le...

I have one Lenovo X230 ... With the last update, after I installed Windows 10 I stop being able to use the SK8845.
What I did ??

I uninstalled the Synapics drive and all re-start working.

The incompatible driver is Synapics Pointing device driver ver 19.0.17.85

Rgds

Rui