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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1780976

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1780976

Title:
  After upgrading to linux-image-4.15.0-24-generic, Xubuntu 18.04 LTS
  boots to blank screen

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  On HP laptop model 15-AC106NQ running Xubuntu 18.04 LTS I have
  upgraded the kernel from linux-image-4.15.0-23-generic 4.15.0-23.25
  AMD64 Signed to the new kernel linux-image-4.15.0-24-generic
  4.15.0-24.26 AMD64 Signed.

  After this, the computer boots to blank screen and is freezing. If I
  push random keys multiple times or if I keep switching between ttys,
  the computer shows after one minute the Xubuntu login screen. If I
  chose from the Grub menu the old linux-image-4.15.0-23-generic kernel,
  the computer boots very fast directly into graphic mode as it should.
  I was able to successfully use all the old Ubuntu/Xubuntu LTS versions
  on this HP laptop.

  Thank you.

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