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Vertical scroll gets reset to 1 after using UltraNav (TouchPad) to scroll.

Drivers, Touchpad

Question

 

The Vertical scrolling setting (mouse scroll) in Windows gets reset to 1 after using the UltraNav (TouchPad) to scroll the page.

Answer

Upgrade to the latest UltraNav driver.

 

  1. Go to path "C:\DRIVERS\Win\UNAV"
  2. Delete or rename the "UNAV" folder
  3. Download package from Lenovo Support
  4. Install the package which you have downloaded from the Lenovo Support page to Install.

This issue has been fixed from15.2.19.0 UltraNav driver onwards.

 

<15.2.19.0>
 - (New) Added support for ThinkPad X220,X220i,X220 Tablet,X220i Tablet.
 - (New) Added support for ThinkPad Edge E220s,E420,E520.
 - (Fix) Fixed an issue where the wheel setting in the Mouse properties would
         revert to the same setting as before when scrolling on the Internet
         Explorer.
 - (Fix) Fixed an issue where the memory usage rate continued to increase by
         SynTpEnh.exe.