mouse - Ubuntu 18 touchpad not working properly

My touchpad is not working properly on Ubuntu 18. I can left-click on buttons etc. but the cursor won't move.

This is the result of my xinput:

⎡ Virtual core pointer                     id=2    [master pointer  (3)]

⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ SYNA7DB5:00 06CB:7DB7 Touchpad            id=12   [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                     id=15   [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                     id=17   [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)]
    ↳ HD WebCam: HD WebCam                      id=11   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=13   [slave  keyboard (3)]
    ↳ Acer WMI hotkeys                          id=14   [slave  keyboard (3)]
    ↳ Logitech USB Receiver                     id=16   [slave  keyboard (3)]