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I have only one OS on my PC - Ubuntu 16.04.
My computer was turned on, after that there was a first surge of voltage and it began to reboot, but during this there was a second surge of voltage and computer began to reboot again.
After this I saw GNU GRUB menu with these options:

  • Ubuntu
  • Advanced options for Ubuntu
  • System setup

I chose the Ubuntu option and then saw this message:

error: invalid video mode specification 'text'.
Booting in blind mode

After this nothing happens and the booting stops.

I already tried to enable and disable CSM in UEFI as written here but it doesn't give anything.
So, how can I fix it and boot Ubuntu?

konstantin_doncov
  • 111

1 Answers1

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Finally found a solution:

  1. Boot your computer using LiveUSB or LiveCD, I used Ubuntu LiveUSB
  2. Open terminal and execute: sudo -i
  3. List disks and partitions: fdisk -l
  4. Check first partition: fsck -y /dev/sda1
  5. Check the rest partitions
  6. Reboot from your main OS
konstantin_doncov
  • 111