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I've had an old issue with my USB connected keyboard specially after kernel updates. The problem in the first place is the Ctrl, Windows/Super and Alt buttons are all mapped to Shift button that was getting solved by the aziokbd driver. But every time after kernel updates and reboot, the whole keyboard stops working and I can't even login to my Ubuntu account without OnScreen keyboard. (The back-light of the keyboard is working though; so the power of USB port is connected).

I'm now booted with the older kernel version (4.4.0-21) from Grub menu to post this question.

Until now I have followed the quirks method described here, this method (with the latest kernel (4.4.0-24) replaced at the end of the command), and also this one but had no success.

what's the workaround about this issue which repeats with every kernel update and the reboot after it? Could I somehow switch to the latest kernel while am booted with older version which works with the keyboard and install the aziokbd driver on that problematic kernel? Or manipulate the latest kernel while am on the older one?

Maybe even there would be a way to prevent this problem after each kernel update? Currently it's possible to login and install aziokbd driver all with On-Screen keyboard but it's still annoying to do that after each time kernel gets updated.

Edit: I'm now on Ubuntu 16.04, the shipped kernel which I installed aziokbd driver on, is 4.4.0-21 and the updated version is 4.4.0-24. However I had this problem on Ubuntu 14.04 (which has been upgraded directly to 16.04) and several kernel updates from its release date.

Thanks

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DummyBeginner
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    What are "this" and "that" kernel? What is the Ubuntu version? – Pilot6 Jun 11 '16 at 08:22
  • @Pilot6 The question has been edited. – DummyBeginner Jun 11 '16 at 08:31
  • @DummyBeginner, basic function of DKMS is to build the driver for each new installed kernel automatically. Could you get the output of these commands dkms status, uname -a & more /proc/cmdline when this happens (running new kernel and keyboard is not working). Does sudo dkms autoinstall -k 4.4.0-24-generic build the driver for the new kernel, run dkms status to check? As I know you have to use the full version 4.4.0-24-generic not just ver sion number 4.4.0-24. – user.dz Aug 22 '16 at 05:20

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