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The Synaptics-touchpad on my ThinkPad L580 doesn't work with Ubuntu (Mate) 19.04, even though I've followed instructions that seem to have worked for other people in the past.

In the following snippets there is a Microsoft USB-mouse attached.

xinput --list:

⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ USB Optical Mouse                         id=9    [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)]
    ↳ Sleep Button                              id=8    [slave  keyboard (3)]
    ↳ Integrated Camera: Integrated C           id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=11   [slave  keyboard (3)]
    ↳ ThinkPad Extra Buttons                    id=12   [slave  keyboard (3)]

cat /proc/bus/input/devices: No synaptics related stuff showing up...

lsusb:

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 06cb:009a Synaptics, Inc. 
Bus 001 Device 004: ID 04f2:b604 Chicony Electronics Co., Ltd 
Bus 001 Device 006: ID 8087:0a2b Intel Corp. 
Bus 001 Device 002: ID 045e:0797 Microsoft Corp. Optical Mouse 200
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
K7AAY
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Unkn0wnCat
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1 Answers1

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According to this seemingly identical bug report on launchpad you can fix this by passing 

psmouse.elantech_smbus=0

to the boot options.

Take a look at How do I add a kernel boot parameter? if you need information as to how to add boot options.

Misantorp
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