How to fix AnyDesk of display server not supported error for ubuntu

Error 1) The "Display server not supported" error in AnyDesk occurs when there is a mismatch between the AnyDesk application and the current display server (Wayland or X11) in use on your Ubuntu system.

Error 2) also fix the Bug : Screen flickering in Ubuntu 22.04 | 24.04 LTS

Steps to Fix the Issue:

Step 1: Open the terminal and edit the GDM configuration file.

sudo vim /etc/gdm3/custom.conf

Step 2: Look for the following line and uncomment it (remove #).

WaylandEnable=false

Step 3: Save and close the file

Step 4: Restart the GDM service to apply changes.

sudo systemctl restart gdm3

Step 5: Edit the GRUB Configuration File.

sudo vim /etc/default/grub

Step 6: Modify the GRUB_CMDLINE_LINUX_DEFAULT Parameter.

• Look for the line starting with.

GRUB_CMDLINE_LINUX_DEFAULT

• Add the following parameters to the existing values (inside the quotes).

GRUB_CMDLINE_LINUX_DEFAULT="i915.enable_dc=0 intel_idle.max_cstate=2"

Step 7: Save the File.

Step 8: Update GRUB.

sudo update-grub

Step 9: Reboot the System then check.