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United States (Harvard, MA)

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  • Posts: 12
  • Registered: ‎01-03-2011
  • Location: United States (Harvard, MA)
  • Views: 73
  • Message 1 of 2

Synaptics UltraNav Driver for Windows 10 does not work with older X-series

2017-10-06, 17:54 PM

I installed and activated Windows 10 on a pair of X-series laptops, an X220 and an X201.  Everything was just fine except that the touchpad does not control the cursor well, either freezing it or bouncing around madly.  I finally solved the problem by changing the UltraNav driver to PS/2 Mouse driver, less functional, but it actually works.  When I ran the Windows 10 update, it reinstalled the UltraNav driver, so I had to revert back to the PS/2 driver and reboot.  (The UltraNav driver downloaded from the Lenovo site is equally defective.) Yes, I know these are older systems, but can't Synaptics do a working driver?  Or maybe Microsoft could install the basic PS/2 Mouse driver as the default?  I must be dreaming.  Anyway, the problem of a properly function touchpad has a solution.


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  • Posts: 1
  • Registered: ‎01-12-2018
  • Location: US
  • Views: 15
  • Message 2 of 2

Re: Synaptics UltraNav Driver for Windows 10 does not work with older X-series

2018-01-12, 8:11 AM

The problem I have is that the settings always revert to default whenever I log off or reboot.

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