Enter Wayland. Wayland was built for security and smooth rendering. Each application is a fortress. One application cannot see the pixels of another unless explicitly allowed.
Let’s stop treating this as a random error and start understanding it as a philosophical clash between legacy systems and modern graphics architecture. Most users read this error as: "I can't see the screen."
For decades, remote desktop was simple because the OS didn't care who was looking at the pixels. Wayland, increased security sandboxing, and headless GPU power management are all good things for security and efficiency. But they break the old model of screen scraping. anydesk display_server_not_supported
The days of assuming you can always grab the framebuffer are ending. Until the remote desktop tools catch up (Rustdesk, for example, handles Wayland better), you have two choices: downgrade your security (X11) or trick your hardware (dummy plugs).
export ANYDESK_USE_WAYLAND=0 anydesk If that fails, switch your login session to "Ubuntu on Xorg" (or your distro’s X11 fallback) from the login screen. This isn't a hack; it’s a temporary truce. The second most common culprit is the headless server . You’re trying to remote into a machine that has no physical monitor plugged in. Enter Wayland
In plain English, AnyDesk’s capture engine relies on specific APIs (Application Programming Interfaces) to grab frames from the GPU. On Linux and certain Windows configurations, the "Display Server" (Wayland vs. X11, or a headless GPU) is either too new, too locked down, or completely absent.
Your heart sinks. The machine is on. The network is up. The ID is correct. But the display server —that silent mediator between your hardware and your eyes—is refusing to cooperate. One application cannot see the pixels of another
You’ve been there. You’re three time zones away from your office workstation. It’s 11:00 PM, a production server is on fire, and you just need to click one button. You fire up AnyDesk, type in the address, and wait for that beautiful remote desktop to render.