I'm experienced this problem with up to date 12.04 in DELL Inspiron 17R SE. The touchpad is recognized as a generic mouse:
$ xinput ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Logitech USB Receiver id=12 [slave pointer (2)] ⎜ ↳ PS/2 Generic Mouse id=14 [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=13 [slave keyboard (3)] ↳ Dell WMI hotkeys id=15 [slave keyboard (3)]
I'm experienced this problem with up to date 12.04 in DELL Inspiron 17R SE. The touchpad is recognized as a generic mouse:
$ xinput Integrated_ Webcam_ HD id=11 [slave keyboard (3)]
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=12 [slave pointer (2)]
⎜ ↳ PS/2 Generic Mouse id=14 [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_
↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
↳ Dell WMI hotkeys id=15 [slave keyboard (3)]