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Boot issues i get this screen while I boot

us flag

enter image description here

  1. I get this screen while booting
  2. I need to power of my pc to get rid of this screen sometimes even it won't work
  3. I tried reinstalling the os it is not working 4 Ii tried upgrading it is not working
Zzzach... avatar
id flag
Take a look at the linked question above. If that does not help, you should update your question describing the attempted steps to fix and how the above linked question didn't fix your issue.
Score:0
in flag

The solution is to add a acpi_backlight=vendor option to the Grub file. Here’s how:

  1. Open Terminal (if it’s not already open)
  2. Open the /etc/default/grub file with sudo in your preferred text editor
  3. Add acpi_backlight=vendor to the GRUB_CMDLINE_LINUX_DEFAULT setting. For example:
    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
    
  4. Save the file and exit
  5. Update Grub
    sudo grub-update
    
  6. Reboot

You may need to do this via a Live USB if you cannot boot the system at all.

Ranesh Subramani avatar
us flag
iam new to this can explain this in detail how to Open the /etc/default/grub file with sudo
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