Public bug reported:

After updating / upgrading Ubuntu 22.10 on Raspberry Pi 400 I can not
login.

Here is what I did:

- I used Raspberry Pi Imager to flash Ubuntu Desktop 22.10 (64-bit).
- Booted fine and did the presented installation steps. 
- Then I used Software Updater to get everything up to date.
- Reboot started (some normal boot text shown) but then blank screen and no 
login screen.
- Monitor detects no signal and goes to sleep.
- I think Linux is running as Pi 400 numlock led turns on/off when numlock is 
pressed.

Thought I have corrupted sd card but other card was the same.

Ubuntu Desktop 22.04 LTS works fine.

My monitor is old Lenovo C24-10 (1920x1080 hdmi connection).

** Affects: linux-raspi (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2007858

Title:
  After upating 22.10 no login screen

Status in linux-raspi package in Ubuntu:
  New

Bug description:
  After updating / upgrading Ubuntu 22.10 on Raspberry Pi 400 I can not
  login.

  Here is what I did:

  - I used Raspberry Pi Imager to flash Ubuntu Desktop 22.10 (64-bit).
  - Booted fine and did the presented installation steps. 
  - Then I used Software Updater to get everything up to date.
  - Reboot started (some normal boot text shown) but then blank screen and no 
login screen.
  - Monitor detects no signal and goes to sleep.
  - I think Linux is running as Pi 400 numlock led turns on/off when numlock is 
pressed.

  Thought I have corrupted sd card but other card was the same.

  Ubuntu Desktop 22.04 LTS works fine.

  My monitor is old Lenovo C24-10 (1920x1080 hdmi connection).

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/2007858/+subscriptions


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