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WSJT-X Audio Interface Issues After Windows Updates - Solutions?

Been experiencing intermittent audio dropout issues with WSJT-X 2.7.0 and my FlexRadio 6600M after Windows 11 updates. PTT works fine but TX audio connection gets lost after several hours of operation, while RX audio continues working. This seems to be related to Windows power management - specifically when monitors go to sleep. Has anyone found a permanent fix beyond disabling screen savers? Current workaround: Restart WSJT-X or toggle DAX audio settings. Running SmartSDR 3.8.20 with latest DAX drivers.

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    • Christopher Lee
      Christopher Lee

      Try disabling Windows "USB Selective Suspend" function and set power management to "never sleep". I had the exact same issue and this completely solved it for extended FT8 sessions.

    • Patricia Lee
      Patricia Lee

      Quick fix that works for me: cycle DAX RX and TX buttons off/on to restore decodes. Much faster than restarting WSJT-X and you don't lose your activity window.

    • Robert Kowalski
      Robert Kowalski

      Same problem here with WSPR operations - really hurts extended propagation testing. Updated to latest WSJT-X and disabled the TX Watchdog setting but still having issues. 73

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    Try disabling Windows "USB Selective Suspend" function and set power management to "never sleep". I had the exact same issue and this completely solved it for extended FT8 sessions.

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    Quick fix that works for me: cycle DAX RX and TX buttons off/on to restore decodes. Much faster than restarting WSJT-X and you don't lose your activity window.

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    Same problem here with WSPR operations - really hurts extended propagation testing. Updated to latest WSJT-X and disabled the TX Watchdog setting but still having issues. 73

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