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Recently, I run an update for my Ubuntu system that totally messed up my system. Neither graphics driver nor mouse driver nor WLAN driver are recognized. That means I don't have any Internet connection either.

Is there a way out of this mess without re-installing my OS?

John Slegers
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  • What update did you run? – Organic Marble Oct 16 '15 at 15:09
  • @OrganicMarble : A list of updates that was recommended by the system. It. I believe I got the error “Package is in a very bad inconsistent state”, but I'm not entirely sure. – John Slegers Oct 16 '15 at 15:11
  • @JohnSlegers, do you have LAN working? – Aizuddin Zali Oct 16 '15 at 15:15
  • @AizuddinZali : Nope. – John Slegers Oct 16 '15 at 15:17
  • @JohnSlegers if you having any means of network connection then we might try apt-undo. At this stage I bet installation recovery is the best option. – Aizuddin Zali Oct 16 '15 at 15:18
  • @AizuddinZali : I'm afraid I will need to fix the drivers first before I'll be able to connect to the Internet. – John Slegers Oct 16 '15 at 15:21
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    Try changing to an older kernel, in GRUB choose advanced options for Ubuntu and pick the one before the latest one. Drivers are part of the kernel, should get you going again. – Mark Kirby Oct 16 '15 at 15:59
  • @markkirby : Thanks a lot for your comment! Using your procedure as a starting point, I seem to have fixed the problem. See my answer for the entire prodecure I followed. Feel free to re-formulate your comment into an answer if you want to get some reputation points for your effort. – John Slegers Oct 16 '15 at 17:37

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Thanks to mark kirby's suggestion, I managed to fix the problem.

What I did to fix my problem :

  1. In GRUB, I selected advanced options for Ubuntu and picked the kernel before the latest one and loaded that kernel.

  2. I updated my packages using sudo apt-get update.

  3. I cleaned the downloaded packages using sudo apt-get clean.

  4. I removed unneeded packages using sudo apt-get autoremove.

  5. I reconfigured all packages using sudo dpkg --configure -a.

  6. I fixed broken packages using sudo apt-get install -f.

  7. I removed the latest kernel using sudo apt-get purge linux-image-x.x.x-x-generic.

  8. I updated my GRUB using sudo update-grub2.

  9. I rebooted my system.

References I used for this prodecure :

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John Slegers
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