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I have Ubuntu 18.04 running on my desktop. It has been working fine for months, but crashed today while playing a video game.

Now when I try to boot it gets stuck at the purple screen before the ubuntu logo or the login screen. Indeed I can't even boot in recovery mode! When I try to do so it freezes, and there is nothing particularly revealing (as far as I can tell) in the output before it freezes.

I can give more hardware/software details if needed. I do have a Nvidia graphics card and running Nvidia drivers, but they have been working perfectly up to this point.

Any help greatly appreciated.

tombird
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2 Answers2

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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

If for some reason you can't do the above...

  • boot to a Ubuntu Live DVD/USB
  • start gparted and determine which /dev/sdaX is your Ubuntu EXT4 partition
  • quit gparted
  • open a terminal window
  • type sudo fsck -f /dev/sdaX # replacing X with the number you found earlier
  • repeat the fsck command if there were errors
  • type reboot
heynnema
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The story (sudden halt while gaming) sounds like it might be a hardware or temperature related problem.

Linux crashing for software reasons is extremely rare in my experience. Especially since 18.04 is of the high quality LTS variety, I think it unlikely.

You might want to start with cleaning the fans or just charging the battery or do some other hardware related maintenance.

If all else fails, try to see if booting a https://help.ubuntu.com/community/LiveCD works.

Henk van der Laak
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