In this article, we will guide you through the process of troubleshooting and fixing the issue of DisplayLink not detecting your monitor in Ubuntu 22.04. This problem can be quite frustrating, but with the right steps, it can be resolved efficiently.
Understanding the Issue
DisplayLink is a technology used to connect multiple monitors to your computer using USB, Ethernet, or Wi-Fi. However, sometimes, the DisplayLink driver may fail to detect your monitor on Ubuntu 22.04. This could be due to a variety of reasons, including outdated drivers, incorrect installation, or compatibility issues.
Before we begin, ensure that you have the following:
- Ubuntu 22.04 installed on your system
- Terminal access with sudo privileges
- Internet connection
Step-by-Step Guide to Fix the Issue
Step 1: Install evdi-dkms
The first step in our troubleshooting process is to install
evdi-dkms separately before running the DisplayLink driver installation.
evdi-dkms is a kernel module that provides an Extended Virtual Display Interface for the system.
evdi-dkms, open your terminal and run the following command:
sudo apt-get install evdi-dkms
This command uses
apt-get, the package handling utility in Ubuntu, to install
sudo command is used to run the command with root privileges.
Step 2: Install dkms
Next, we need to ensure that
dkms, the Dynamic Kernel Module Support, is installed on your system.
dkms is a program that allows kernel modules to be dynamically built and loaded on an existing system.
dkms, run the following command:
sudo apt install dkms
Step 3: Perform a Clean Installation of Ubuntu
If the above steps do not resolve the issue, you may need to perform a clean installation of Ubuntu. This involves reinstalling Ubuntu from scratch. Here’s how to do it:
dkmsand reboot your system.
evdi-dkmsand set a new password when prompted.
- Reboot your system and follow the prompts during the installation process, including installing the key and entering the password you set earlier.
- Run the DisplayLink driver installation script.
- Reboot your system.
Step 4: Uninstall and Reinstall the Driver via apt
If the problem persists, you can try uninstalling the driver and reinstalling it via
apt. Here’s how:
- Uninstall the driver by running the following command:
This command uninstalls the DisplayLink driver from your system.
sudo displaylink-installer uninstall
- Download the Synaptics APT Repository for Ubuntu LTS. You can download it from the official Synaptics website.
- Install the Synaptics repository keyring by running the following command (replace the path with the actual path to the downloaded file):
This command installs the Synaptics repository keyring, which is needed to verify the packages from the Synaptics repository.
sudo apt install ./Downloads/synaptics-repository-keyring.deb
- Update your system’s package list by running:
This command updates your system’s package list to include the packages from the newly added Synaptics repository.
sudo apt update
- Install the
displaylink-driverpackage by running:
This command installs the DisplayLink driver from the Synaptics repository.
sudo apt install displaylink-driver
- Restart your machine.
By following these steps, you should be able to resolve the issue of DisplayLink not detecting your monitor in Ubuntu 22.04. Remember to follow each step carefully and restart your system when necessary. If you continue to experience issues, consider reaching out to the Ubuntu community or the DisplayLink support team for further assistance.
You can check if DisplayLink is installed on your Ubuntu 22.04 system by running the command
lsmod | grep evdi in the terminal. If you see any output, it means DisplayLink is installed.
Yes, DisplayLink allows you to connect and use multiple monitors with your Ubuntu 22.04 system. However, please ensure that your system meets the hardware requirements and that you have the necessary drivers installed.
To update the DisplayLink driver in Ubuntu 22.04, you can use the
displaylink-installer tool provided by DisplayLink. Simply download the latest driver from the DisplayLink website, open the terminal, navigate to the downloaded driver folder, and run the command
./displaylink-installer.sh install. This will update the DisplayLink driver on your system.
DisplayLink is compatible with a wide range of monitors. However, it’s always a good idea to check the official DisplayLink website or the documentation of your specific monitor model to ensure compatibility with DisplayLink technology.
Yes, DisplayLink is not limited to Ubuntu 22.04 and can be used on various Linux distributions. However, the installation process and compatibility may vary depending on the distribution. It is recommended to check the DisplayLink website or community forums for specific instructions for your Linux distribution.