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Sound pausing when using 2nd Monitor in P3D

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I've done an extensive search but can't find a solution to this problem.


How do I stop the sound from pausing when clicking a window on a 2nd monitor with P3D running on the primary display. When I click back on the primary monitor the sounds starts again.


I've stoping the simulator pausing on a task switch which is working fine but can't find an option to stop the sound pausing.



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Have you tried going to Full Screen ?  I have not noticed this issue but I run Full Screen.  


Also, make sure you have VSync OFF or your framerates will be cut in half when you undock windows.

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Hi MarkW,


Thanks for the tip re VSYNC.


Unfortunately the sounds pauses in full screen mode as well as in windowed mode when I touch anything on the 2nd display. The simulator is definately not paused just no sound.

I ended up solving this myself.


There is a setting under "sound" in settings called "mute sound when losing focus" or something similar which is turned on by default.


Unchecking this and restarting P3D solved the problem.

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When the application loses focus, sound is muted by default. Disabling this setting requires editing the Prepar3D.cfg file.

  1. Locate the Prepar3D.cfg file which can be found in the %APPDATA%\Lockheed Martin\Prepar3D v2 folder.
  2. Right click file and click "Open", "Edit", or if prompted choose notepad or your other favorite text editor
  3. In the [uSERINTERFACE] section, add MUTE_ON_LOST_FOCUS=0
  4. To enable muting on lost focus, change it to MUTE_ON_LOST_FOCUS=1
  5. Save the newly updated Prepar3D.cfg

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