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I am having issues with my touchpad in Ubuntu 14.04. I was running a simulation which caused my computer to slow down too much to even be able to abort the code, so I was forced to use the power button to shutdown my laptop. Ubuntu had asked me to restart my computer to finish updating, but I decided to restart later (I feel like this may be related, but I really don't know). Ever since I started up my computer after this event, I have been unable to use my trackpad. My left, middle, and right mouse buttons work, but the trackpad does not register any movement (it also cannot zoom, scroll, etc.) When I use xinput in the terminal, it still reads "AlpsPS/2 ALPS DualPoint TouchPad" (other things I've seen apparently recognize the touchpad as a PS/2 generic mouse, but that is not the case for me). I've been searching around the internet and trying a slew of different proposed solutions, but none of them have helped at all. Does anyone know how I might be able to fix this? Thank you!

Edit: I'm dual-booting Ubuntu and Windows, and on Windows the touchpad works perfectly fine. There has been no physical damage done to my touchpad and the laptop is only a couple months old.

Unnecessary Bees
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  • There is something called recovery or similar run that (found in the boot loader) – Info-Screen Jan 22 '16 at 06:08
  • Under advanced options in the boot loader, there's the version of the kernel (Recovery Mode). Is this what you were talking about? If so, there are a lot of options to choose from; what do I do once I get there? – Unnecessary Bees Jan 22 '16 at 06:14

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After much struggling, I found a solution that worked for me, and will hopefully work for others who run into a similar issue. Following the instructions here, I removed all my alps folders in /usr/src/ and finished the instructions to no avail (I did install everything like they said and it's still in /usr/src/, so it may've helped). After deleting the folders, neither my trackpad nor the pointing stick nub on my keyboard would work (an external USB mouse still worked). I then ran sudo apt-get install xserver-xorg-input-synaptics-dev as described here. I rebooted my computer, and both my touchpad and the pointing stick nub work again! I didn't even need to do anything else described in the second link. I hope that someone, somewhere may find this helpful one day!

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