gregl

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  • July 8, 2026 at 14:09 in reply to: Black Plasma desktop while application windows render correctly (X11) #56317
    gregl
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    Thank you for your reply.

    To clarify the setup:
    Both the Windows 11 client and the openSUSE Tumbleweed server are connected to a single physical monitor through a hardware KVM switch (Unitek V1310AGY01‑EU, DisplayPort). The Linux machine is not headless — I am connecting to the physical X11 display.

    Yes, I am connecting to the physical desktop.
    Locally, the KDE Plasma desktop renders correctly.
    In NoMachine, only application windows are visible, while the Plasma background and panel appear black.

    The desktop shown in NoMachine is therefore not the same as the one displayed on the monitor.

    I also tested disabling client‑side hardware decoding as suggested, but this did not change the behavior.

    If helpful, I can provide logs or EDID information from both KVM ports.

    Thank you for your assistance.

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