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I am a complete newbie and a moderately incapable pensioner so forgive me if I ask a stupid question.

I have installed Ubuntu on my E7240 and everything works fine apart from the touchpad. I have 8GB RAM and a 128GB SSD and the i5 processor.

It's an Alps touchpad.

It works but the pointer jiggles around and so I cannot easily select text. Also when scrolling it sometimes goes in the wrong direction at first. It's almost unusable.

I tried installing the drivers from Dell for version 12 Ubuntu but that didn't help. See: https://www.dell.com/support/home/uk/en/ukbsdt1/Drivers/DriversDetails?driverId=0WKFN

Having tried the Dell drivers and not finding things much better I have installed a fresh install of 18.04.1 which also didn't help.

Basically the touchpad seems too sensitive to touch? I think that may be the issue.

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    19.04 hasn't been officially released yet (expect by the end of April) and is off-topic here according to the rules. People here is very touchy so don't even go there ;). 18.04.1 or 18.10 are supported, you can ask anything about either release. Have you tried to adjust the touchpad's sensitivity? No additional drivers should be required. – user880592 Feb 8 '19 at 16:37
  • Many thanks GabrielaGarcia. How do I adjust the touchpad sensitivity? I can only see an adjustment for speed. Shall do a fresh install of 18.04.1. Many thanks again – bobbaker Feb 8 '19 at 16:53
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    I would recommend sticking with LTS (Long Term Support) releases like 18.04 because they have 5 years support; all the others in-between have only 9 months. Regarding the touchpad yes, I meant speed. – user880592 Feb 8 '19 at 16:57
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    Solved - for me on my system. I tried loads of distributions but discovered that the latest Kubuntu comes with lots of touchpad adjustments. However.. they are greyed out. I had to run "sudo apt install xserver-xorg-input-synaptics" and then reboot. After that the adjustments weren't greyed out. And I managed to sort out the jumping pointer. I found this on: youtube.com/watch?v=9qMq-g82SEo I have no idea if this will work for everyone. But it did work on my Dell e7240, 8Gb, 128 Gb SSD, i5. – bobbaker Feb 10 '19 at 0:16
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    @bobbaker Please post your solution as an answer below by clicking the 'Answer your question' button to help future readers. It's absolutely fine (and very much encouraged) to answer your own question :) – pomsky Feb 11 '19 at 0:31
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For me on my system, I tried loads of distributions but discovered that the latest Kubuntu comes with lots of touchpad adjustments. However, they are greyed out.

I had to run

sudo apt install xserver-xorg-input-synaptics

and then reboot. After that the adjustments weren't greyed out. And I managed to sort out the jumping pointer. I found this on: https://www.youtube.com/watch?v=9qMq-g82SEo

I have no idea if this will work for everyone. But it did work on my Dell e7240, 8Gb, 128 Gb SSD, i5.


Source: posted as a comment by OP

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