When I double tap on touchpad for two fingers scrolling, the pointer moves anywhere on the screen (mainly on the top or bottom of the screen) which is pain for me. I am currently using Ubuntu 18.04 Bionic.
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When I first installed Ubuntu on my Macbook pro I had a bad time with the touchpad. A solution is to install Synaptic drivers. Google this and you will find. – Pierre ALBARÈDE Apr 10 '21 at 21:57
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As far as I understand, default touchpad driver is more recent but not as good as Synaptic driver. – Pierre ALBARÈDE Apr 10 '21 at 22:07
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I am now with 20.10 and the touchpad works perfectly. It is not Synaptic but Synaptics. – Pierre ALBARÈDE Apr 10 '21 at 22:11
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https://sangams.com.np/fix-ubuntu-18-4-touchpad-not-working-properly/ – Pierre ALBARÈDE Apr 10 '21 at 22:19
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I have already installed synaptics driver using "sudo apt install xserver-xorg-input-synaptics-hwe-18.04". But still I am facing the same problem. @PierreALBARÈDE – Jayant Sharma Apr 11 '21 at 19:56
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But my command is somewhat different than What it should be: expected -> "sudo apt install xserver-xorg-input-synaptics" mine -> "sudo apt install xserver-xorg-input-synaptics-hwe-18.04" @PierreALBARÈDE – Jayant Sharma Apr 11 '21 at 20:01
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See also https://askubuntu.com/questions/1031940/how-to-switch-from-libinput-to-synaptics-in-ubuntu-18-04 – Pierre ALBARÈDE Apr 13 '21 at 18:22