So far this problem has been reproduced on T60P and T41P, but only by scrolling large wegpages in Firefox. But they refuse to fix this or pass it to Synaptics or their driver developers, because Firefox “is not supported”. Retrieved from ” https: This bug is quite annoying because people think it’s a wandering defective pixel. In the worst case your mainboard is defect or your keys inside the Palmrest. Do you know where I should look?

Uploader: Shashicage
Date Added: 2 May 2015
File Size: 66.29 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 29708
Price: Free* [*Free Regsitration Required]

Currently the choice is to configure TrackPoint to scroll properly with middle button pressed using lenovo t420 ultranav “mouse” driver in X. This page has been accessedtimes. Do you think readjusting this one could help or should I live with the problem? I can handle some crafts but I’m not an lenovo t420 ultranav engineer.

It is a 1×1 pixel large window that is usually white. Questions Tags Users Lenovo t420 ultranav Unanswered. Only the lower ones respond to clicks, the one with an red circle are not responding. For advanced configuration of the touchpad, see the Synaptics TouchPad driver for X page.

UltraNav – ThinkWiki

Views Read View source View history. But they refuse to fix this or pass lenovo t420 ultranav to Synaptics or their driver developers, because Firefox “is not supported”. The classic integrated pointing device in ThinkPads was always a trackpoint.

It contains a bug leading to “defective pixels”: The technology for this combined pointing device comes from Synaptics. Post as a guest Name.

What I tried so far: If you move the mouse directly over this pixel, a little icon appears like if the middle trackpoint button is used to scroll. You could download the hardware “maintenance manual” and disamble lenovo t420 ultranav Palmrest and check the cables.

Sign up using Facebook. That indicates a hardware related problem. If I just boot and try they are not working like in Windows. Lenovo t420 ultranav page was last modified on 2 Februaryat I Googled and scanned StackExchange but could find any solution so far.

To enable Trackpoint scrolling and use the alps touchpad apply following patch: Retrieved from ” https: Do you know where I should look? If you are lucky, just the cable is loose. Clean up lenovo t420 ultranav pins is enough or do I have to solder?

Sign up or log in Sign up using Google.

If you are good craftsman you could give it a try. This bug is quite annoying because people think it’s a wandering defective pixel.

In the worst case your mainboard is defect or your keys inside the Palmrest. Lenovo t420 ultranav up using Email and Password.

UltraNav settings Any help would be appreciated. Super User works best with JavaScript enabled.

Using the Trackpoint the higher keys are lenovo t420 ultranav to reach, but not working. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.