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Question

When using TouchPad / TrackPoint, the process SynTPEnh.exe is taking a high amount of memory after a long period of usage.

 

 

SynTPEnh.exe

Answer

NOTE: A newer version of the UltraNav software is available. Check on http://support.lenovo.com

or run System Update to get the latest version.

 

Issue solved after upgrading to UltraNav version 15.2.19.0 and above

 

Support link here

<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.

 

If 15.2.19.0 driver has been installed and Device Manager is showing an older version of Synaptics driver. Please delete the following folder from the path

 

Delete folder C:\Drivers\WIN\UNAV

 

Then run installer again. If drivers updated successfully, the driver would look like the following.

 

mouse drv.JPG

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Comments
jemstar

The installation of this new version of the Synaptics driver does resolve the memory leak issue, but makes the touchpad almost unusable. There is a severe reduction in its sensitivity. Simple tapping motions are a lot harder. I had to uninstall the driver to make ny T420 usable again...