Touchpad not working in Linux | Touchpad recognised as PS/2 Logitech wheel mouse

After weeks of research you just bought your new laptop. You go ahead and install linux. But then the touchpad does not work, so you decide to try a different linux, still it doesn’t work and Googling doesn’t seem to help.

METHOD 1

First we need to ensure the touchpad is detected. For that, unplug your USB mouse (if any) and open up a terminal / konsole (ctrl + alt + T ) and type in

xinput list

You’ll get a list of input devices

  • If you see something like synaptic touchpad, Then you just need to install the latest synaptiks driver.
  • If you see something like PS/2 Logitech wheel mouse or any mouse, follow method 2.

Go to the Software center in Linux and install Synaptiks.
Synaptiks

METHOD 2 ( WORKAROUND )

This is a workaround that I found, only the basic touchpad functions would work. Open up the terminal and type ( or simply paste this by ctrl+shift+v )

sudo nano /etc/default/grub

Locate the line GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”

3

Now you need to edit this line, be very careful !

Add a space after splash and type psmouse.proto=bare 

so the edited line looks exactly like this.

GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash psmouse.proto=bare” 

Save it ( ctrl + x then press y ). Then type in

sudo update-grub

Now the touchpad should work after reboot !

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