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I have a HP Envy X360 and installed Ubuntu 20.04 on this fine. It's been running nicely for a number of months and after an update in the last few days it no longer boots up.

The standard process should be that the HP Logo is displayed, it then asks for my disk decryption password and displays the "Ubuntu" logo at the bottom. I enter the password and it continues to the X Login, I login there and am then taken to the desktop.

Now - when I power on, I get the HP logo and nothing else.

I can decrypt disk and log in on a terminal prompt with no issues. If I try using Advanced and selecting a previous Kernel - I can enter the password to decrypt the disk, but it hangs after then.

Live booting is fine.

The 2 kernel versions installed are: Debian GNU/Linux, with Linux 5.8.0-41-generic Debian GNU/Linux, with Linux 5.8.0-40-generic

Trying recovery mode takes me into the recovery menu,

dpkg fixes packages - but does not fix the issue. grub rebuilds the boot menu - but does not fix the issue.

Any help would be appreciated before I consider returning to Windows (Joke).

Rod Laycock
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  • I've read some Nvidia drivers can cause issues.

    Using:

    lshw -c video I get

    description: VGA compatible controller product: Iris Plus Graphics G7 vendor: Intel Corporation

    So I'm pretty sure it's not that

     – Rod Laycock Feb 04 '21 at 16:56
  • Reinstalling X Server didn't work – Rod Laycock Feb 04 '21 at 18:54
  • apt install gnome-session gdm3. Seems to have sorted it partially, using 5.8.0-40 seems to allow me to boot – Rod Laycock Feb 04 '21 at 19:03
  • Follow this to enable Saved mode in grub https://askubuntu.com/questions/1308901/setting-older-kernel-version-as-default – Rod Laycock Feb 04 '21 at 19:19

1 Answers1

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Here is what I did:

  1. Plugged in a bootable Ubuntu USB.
  2. Mounted the drive which Ubuntu was installed on. (using sudo mount)
  3. Chrooted to the mount directory. (using sudo chroot)
  4. Did a simple update and upgrade. (sudo apt update &&‌ sudo apt upgrade)
  5. Restarted the PC and the problem was solved.
therealak12
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