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Ubuntu 22.04 Displays Video Distortions When Moving Cursor on Right Side of Screen

Summary: This article provides information about the Latitude 7450 running Ubuntu 22.04 displaying vertical blocks on the right side of the screen when moving mouse.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Affected Platforms:

  • Latitude 7450

Affected Operating Systems:

  • Ubuntu 22.04

Video distortion on right side of screen

Cause

It is 6.x kernel with Panel Self Refresh V2 (PSR2) compatibility problem.

Resolution

The Ubuntu kernel update had been pushed online, suggest run an online Ubuntu update to fix the issue.

If the user cannot run the Ubuntu online update, try disabling PSR as the workaround to fix the issue.

  1. Press Ctrl + Alt + T to open Terminal.
  2. In a terminal, type sudo gedit /etc/default/grub then press Enter
  3. In the open file, change GRUB_CMDLINE LINUX="" to: GRUB_CMDLINE_LINUX="i915.enable_psr=0"
  4. Save the file.
  5. In Terminal, type sudo update-grub then press Enter
  6. Reboot the computer.

Affected Products

Latitude 7450
Article Properties
Article Number: 000227094
Article Type: Solution
Last Modified: 24 Jul 2024
Version:  2
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