T440p intermittent lagging trackpoint cursor

[pianoprodigy]

This issue is driving me crazy. I have tried every driver possible. I even bought a new keyboard for a new trackpoint thinking it could be hardware related.

Right now, I am typing on my T440p. At the moment, the cursor is behaving normally. Several times a day, sometimes for minutes, sometimes for much longer, the cursor begins to lag and stutter. I cannot explain when it happens as it appears to be completely random. I have tried killing processes. I have monitored for odd memory or processor or disk usage. Nothing seems to stand out.

Does anyone have any suggestions as to what could possibly be causing it? I do have a T450 style clickpad with buttons installed and thus only certain drivers work with it, but I started having this problem only recently and have had the trackpad swapped for a year now. I even did a clean install back to Windows 8.1.

Thanks for any ideas.

[Eric Giles]

Does the new clickpad use Synaptics or Elan drivers?

This issue is driving me crazy. I have tried every driver possible. I even bought a new keyboard for a new trackpoint thinking it could be hardware related.

Right now, I am typing on my T440p. At the moment, the cursor is behaving normally. Several times a day, sometimes for minutes, sometimes for much longer, the cursor begins to lag and stutter. I cannot explain when it happens as it appears to be completely random. I have tried killing processes. I have monitored for odd memory or processor or disk usage. Nothing seems to stand out.

Does anyone have any suggestions as to what could possibly be causing it? I do have a T450 style clickpad with buttons installed and thus only certain drivers work with it, but I started having this problem only recently and have had the trackpad swapped for a year now. I even did a clean install back to Windows 8.1.

Thanks for any ideas.

[pianoprodigy]

Does the new clickpad use Synaptics or Elan drivers?

This issue is driving me crazy. I have tried every driver possible. I even bought a new keyboard for a new trackpoint thinking it could be hardware related.

Right now, I am typing on my T440p. At the moment, the cursor is behaving normally. Several times a day, sometimes for minutes, sometimes for much longer, the cursor begins to lag and stutter. I cannot explain when it happens as it appears to be completely random. I have tried killing processes. I have monitored for odd memory or processor or disk usage. Nothing seems to stand out.

Does anyone have any suggestions as to what could possibly be causing it? I do have a T450 style clickpad with buttons installed and thus only certain drivers work with it, but I started having this problem only recently and have had the trackpad swapped for a year now. I even did a clean install back to Windows 8.1.

Thanks for any ideas.

This is the first time I have heard of an Elan driver actually. I have read there is an alps driver.

Here is a write up about the mod: http://camerongray.me/2015/02/fitting-p ... pad-t440s/

The driver that works for me is the n10gx25w