Cannot connect to Pi4 (using MacOS)

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  • #53687
    onit
    Participant

    Hi.

    I was trying to get a connection to my Raspberry Pi 4 but could not succeed.

    Here are the details:

    – macOS Sonoma, running NoMachine 9.0.188_11
    – Raspberry Pi 4, Raspberry Pi OS (64-bit), running NoMachine 9.0.188_11 arm64
    – Same LAN; ping my Raspberry from the Mac works; IP confirmed
    – Raspberry appears in NoMachine as “MyRaspberry, Debian GNU/Linux 12 (bookworm)” Host: 192.xxx.x.xx; Port: 4000; Protocol: NX
    – Authentication: Use password authentication

    Error I see on my Mac when waiting a little bit to connect: “A connection timeout has occurred while trying to connect to ‘192.xxx.x.xx’ on port ‘4000’. The issue could either be caused by a networking problem, by a firewall or NAT blocking incoming traffic or by a wrong server address. Please verify your configuration and try again.

    – Testing with nc -zv 192.xxx.x.xx 4000 returns no response.

    – nxserver –status consistently returns:
    NX> 111 New connections to NoMachine server are enabled.
    NX> 161 Enabled service: nxserver.
    NX> 161 Enabled service: nxnode.
    NX> 161 Enabled service: nxd.

    It seems like my Raspberry Pi does not have a functioning graphical desktop environment. When I try startx i I only get a blank black screen with an underscore blinking at the top left corner and I cannot do anything but forcing a reboot by pulling the power.

    Here are the other things I tried:

    – Forced HDMI resolution and autologin via raspi-config.
    – Reinstalling GUI components (raspberrypi-ui-mods, xserver-xorg, lightdm, etc.).
    – Rebooted and rechecked logs (nxserver.log and journalctl) — no crash but no active desktop detected.

    Does someone know how to solve that issue?

    Cheers

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