Acer V3-771 Touchpad detected as ps/2 generic mouse

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http://askubuntu.com – I have a brand new Acer V3-771G . I can use my touchpad fine but I can't scroll with it, because its detected as a PS/2 generic mouse: xinput list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [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 (HowTos)