When I turn on the power of my laptop, it shows the following lines of text and starts to fluctuate. (It has Ubuntu 14.04.)

boot screenshot

When I press the esc key the system starts but the mouse pad doesn't work.

I am stuck and don't know what to do. If anybody has got any kind of solution please it is acceptable. Sorry for my bad English.

  • The image is not clear – Arun Jul 4 '17 at 12:50
  • @Arun I can only capture this image because of the fluctuation of screen. – Amit singh Jul 4 '17 at 12:50
  • Try recovey option from grub menu – Arun Jul 4 '17 at 12:53
  • Already tried but i can't use recovery mode always – Amit singh Jul 4 '17 at 12:54
  • From the recovery mode screen select dpkg – Arun Jul 4 '17 at 12:55

Partial answer... work in progress...

Lets first check your file system for errors.

To check the file system on your Ubuntu partition...

  • boot to the GRUB menu
  • choose Advanced Options
  • choose Recovery mode
  • choose Root access
  • at the # prompt, type sudo fsck -f /
  • repeat the fsck command if there were errors
  • type reboot
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