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Expected: Touchpad settings available in Mouse & Touchpad Settings
dialog

Actual result: Touchpad settings missing entirely


Details:
The touchpad on my Dell Ultrabook (Latitude E7470) functions mostly. 

The settings for the touchpad are not available at all in the Mouse and
Touchpad settings (see http://i.imgur.com/YRGiOrj.png).

Two-finger scrolling works as expected except it's using "Natural
Scrolling" by default and there is no way to change it.

xinput list does not display a touchpad at all:

⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ ELAN Touchscreen                          id=11   [slave  pointer  (2)]
⎜   ↳ ImPS/2 Generic Wheel 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)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Integrated_Webcam_FHD                     id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=12   [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                          id=14   [slave  keyboard (3)]
    ↳ DELL Wireless hotkeys                     id=15   [slave  keyboard (3)]


/proc/bus/input/devices lists the device as a "Generic Wheel Mouse"

Output of `lsb_release -rd`:
Description:    Ubuntu 16.04 LTS
Release:        16.04

xserver-xorg-input-synaptics version information:
xserver-xorg-input-synaptics:
  Installed: 1.8.2-1ubuntu3
  Candidate: 1.8.2-1ubuntu3
  Version table:
 *** 1.8.2-1ubuntu3 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: xserver-xorg-input-synaptics (Ubuntu)
     Importance: Undecided
         Status: Confirmed

-- 
Touchpad not recognized on Dell Latitude E7470 Ultrabook
https://bugs.launchpad.net/bugs/1590590
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