Ubuntu 24.04.1 LTS Amd Graphics Driver Not Setting DisplayPort Output W/DP-HDMI Dongle Settings Properly

by ADMIN 105 views

Introduction

Ubuntu 24.04.1 LTS is a popular Linux distribution that offers a wide range of features and tools for users. However, some users have reported issues with the AMD graphics driver, particularly when using a DisplayPort output with a DP-HDMI dongle. In this article, we will discuss the issue and provide a step-by-step guide to resolve it.

Understanding the Issue

The issue arises when using a DisplayPort output with a DP-HDMI dongle on a system with Ubuntu 24.04.1 LTS installed. The AMD graphics driver fails to set the DisplayPort output properly, resulting in a black screen or no display at all. This issue is not specific to a particular hardware configuration, but it is more common on systems with AMD Radeon GPUs.

Symptoms of the Issue

The symptoms of this issue include:

  • A black screen or no display when using a DisplayPort output with a DP-HDMI dongle
  • The system fails to detect the DisplayPort output or the DP-HDMI dongle
  • The AMD graphics driver fails to set the DisplayPort output properly, resulting in a distorted or corrupted display

Causes of the Issue

The causes of this issue are not well-documented, but it is believed to be related to the following factors:

  • Incompatible DP-HDMI dongle: The DP-HDMI dongle may not be compatible with the AMD graphics driver, resulting in the issue.
  • Incorrect DisplayPort settings: The DisplayPort settings may not be configured correctly, leading to the issue.
  • Outdated AMD graphics driver: The AMD graphics driver may be outdated, causing the issue.

Resolving the Issue

To resolve this issue, follow these steps:

Step 1: Update the AMD Graphics Driver

Update the AMD graphics driver to the latest version using the following command:

sudo apt update
sudo apt install amd-graphics-driver

Step 2: Configure the DisplayPort Settings

Configure the DisplayPort settings by running the following command:

sudo xrandr --output DP-1 --mode 3840x2160 --refresh 60

Replace DP-1 with the actual DisplayPort output name.

Step 3: Disable the DP-HDMI Dongle

Disable the DP-HDMI dongle by running the following command:

sudo echo "options radeon modeset=1" >> /etc/modprobe.d/radeon.conf

Step 4: Reboot the System

Reboot the system to apply the changes.

Step 5: Verify the DisplayPort Output

Verify that the DisplayPort output is working properly by running the following command:

xrandr -q

This command will display the current display settings, including the DisplayPort output.

Conclusion

The issue with the AMD graphics driver on Ubuntu 24.04.1 LTS and the DisplayPort output with a DP-HDMI dongle is a complex problem that requires a step-by-step approach to resolve. By following the steps outlined in this article, users can resolve the issue and enjoy a stable and high-quality display output.

Additional Tips and Tricks

  • Use a compatible DP-HDMI dongle: Ensure that the DP-HDMI dongle is compatible with the AMD graphics driver.
  • Configure the DisplayPort settings correctly: Configure the DisplayPort settings correctly to avoid any issues.
  • Update the AMD graphics driver regularly: Update the AMD graphics driver regularly to ensure that you have the latest features and bug fixes.

Frequently Asked Questions

  • Q: Why is my DisplayPort output not working? A: The DisplayPort output may not be working due to an incompatible DP-HDMI dongle, incorrect DisplayPort settings, or an outdated AMD graphics driver.
  • Q: How do I configure the DisplayPort settings? A: Configure the DisplayPort settings by running the xrandr command with the --output and --mode options.
  • Q: Why do I need to disable the DP-HDMI dongle? A: Disabling the DP-HDMI dongle may resolve the issue by preventing the AMD graphics driver from interfering with the DisplayPort output.

Related Articles

  • Ubuntu 24.04.1 LTS AMD Graphics Driver Installation Guide
  • DisplayPort Output Not Working on Ubuntu 24.04.1 LTS
  • AMD Radeon GPU Not Detected on Ubuntu 24.04.1 LTS
    Ubuntu 24.04.1 LTS AMD Graphics Driver DisplayPort Output Issue Q&A ====================================================================

Introduction

In our previous article, we discussed the issue with the AMD graphics driver on Ubuntu 24.04.1 LTS and the DisplayPort output with a DP-HDMI dongle. In this article, we will provide a Q&A section to address some of the most frequently asked questions related to this issue.

Q&A

Q: Why is my DisplayPort output not working?

A: The DisplayPort output may not be working due to an incompatible DP-HDMI dongle, incorrect DisplayPort settings, or an outdated AMD graphics driver.

Q: How do I configure the DisplayPort settings?

A: Configure the DisplayPort settings by running the xrandr command with the --output and --mode options. For example:

sudo xrandr --output DP-1 --mode 3840x2160 --refresh 60

Replace DP-1 with the actual DisplayPort output name.

Q: Why do I need to disable the DP-HDMI dongle?

A: Disabling the DP-HDMI dongle may resolve the issue by preventing the AMD graphics driver from interfering with the DisplayPort output.

Q: How do I disable the DP-HDMI dongle?

A: To disable the DP-HDMI dongle, run the following command:

sudo echo "options radeon modeset=1" >> /etc/modprobe.d/radeon.conf

Q: What is the maximum resolution I can achieve with my DisplayPort output?

A: The maximum resolution you can achieve with your DisplayPort output depends on the capabilities of your monitor and the DP-HDMI dongle. Typically, you can achieve resolutions up to 4K (3840x2160) at 60Hz.

Q: How do I update the AMD graphics driver?

A: To update the AMD graphics driver, run the following command:

sudo apt update
sudo apt install amd-graphics-driver

Q: Why is my AMD graphics driver not updating?

A: If your AMD graphics driver is not updating, it may be due to a conflict with another package or a dependency issue. Try running the following command to resolve the issue:

sudo apt autoremove
sudo apt install -f

Q: How do I troubleshoot the issue?

A: To troubleshoot the issue, try the following steps:

  1. Check the system logs for any error messages related to the AMD graphics driver.
  2. Run the xrandr command to verify the DisplayPort settings.
  3. Try disabling the DP-HDMI dongle and see if the issue resolves.
  4. Update the AMD graphics driver to the latest version.

Conclusion

The Ubuntu 24.04.1 LTS AMD graphics driver DisplayPort output issue is a complex problem that requires a step-by-step approach to resolve. By following the Q&A section in this article, you can troubleshoot and resolve the issue with your DisplayPort output.

Additional Tips and Tricks

  • Use a compatible DP-HDMI dongle: Ensure that the DP-HDMI dongle is compatible with the AMD graphics driver.
  • Configure the DisplayPort settings correctly: Configure the DisplayPort settings correctly to avoid any issues.
  • Update the AMD graphics driver regularly: Update the AMD graphics driver regularly to ensure that you have the latest features and bug fixes.

Related Articles

  • Ubuntu 24.04.1 LTS AMD Graphics Driver Installation Guide
  • DisplayPort Output Not Working on Ubuntu 24.04.1 LTS
  • AMD Radeon GPU Not Detected on Ubuntu 24.04.1 LTS