Hi Luiz, Thank you! i guess i have something wrong again, but the driver is installed successfully! sudo dkms install psmouse/alps-dst-1.0 Module psmouse/alps-dst-1.0 already installed on kernel 3.2.0-32-generic-pae/i686 ^ so everything is ok, no errors during install. i restarted ubuntu and log-in again $ xinput list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ PS/2 Generic Mouse id=13 [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)] ↳ Video Bus id=8 [slave keyboard (3)] ↳ Power Button id=9 [slave keyboard (3)] ↳ Sleep Button id=10 [slave keyboard (3)] ↳ Laptop_Integrated_Webcam_HD id=11 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)] ↳ Dell WMI hotkeys id=14 [slave keyboard (3)] so I run xinput set-prop 4 "Device Enabled" 0 and them, when I 'touch the touchpad', x restarted with some fail, I guess i need to uninstall Virtual core XTEST pointer, how is your output for dmesg | grep -i mouse ? dmesg | grep -i mouse [ 2.000752] mousedev: PS/2 mouse device common for all mice [ 18.925156] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input7 [ 469.277820] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input13 Again, thank you (and if you is here in São Paulo/Augusta,'ll buy you a beer the 18am!) On Fri, Oct 19, 2012 at 12:01 PM, Luiz Covo F.