Hello @Kamal, This is my output of the command. I am using 386 build. I also confirm that if you put your laptop to suspend and resume again the trackpad works! :) but i you reboot it will not work again.
chris@chris:~$ uname -a Linux chris 3.2.0-26-generic-pae #41+kamal2~DellXPS-Ubuntu SMP Wed Jun 20 21:20:40 UTC 2012 i686 i686 i386 GNU/Linux chris@chris:~$ sudo dmidecode -s system-product-name Dell System XPS L321X chris@chris:~$ uname -i i386 chris@chris:~$ xinput ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ ImPS/2 Generic Wheel Mouse id=12 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Power Button id=8 [slave keyboard (3)] ↳ Sleep Button id=9 [slave keyboard (3)] ↳ Laptop_Integrated_Webcam_1.3M id=10 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=11 [slave keyboard (3)] ↳ Dell WMI hotkeys id=13 [slave keyboard (3)] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/978807 Title: 'Cypress Trackpad' incorrectly detected as 'ImPS/2 Generic Wheel Mouse' in 'Dell XPS 13 Ultrabook'' To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/978807/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs