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Re: Internal speakers not working on XPS 9360

XPS 13 9360 - SOLVED FOR ME- No internal speaker sound but OK to Headphones.
Check in Device Manager_ Sound,video & game controllers. There are two drivers, Intel and Realtek. Check in properties/events to ensure that it states "migrated" In my case the drivers had not migrated. The culprit was the Intel driver. This audio driver is included within the Intel 620 HD Graphics driver package, so you need to reinstall this. I had to first select the "uninstall" option for the Intel Display Audio driver via properties. I believe that the Intel driver enables audio to be sent alongside video via HDMI/DVI cables to external monitors. I came to the conclusion, along the way, that the problem was for video/audio MP4 files, such as Youtube, but not for audio only MP3 files. Worth checking out when investigating your problem.   The Waves MaxxaudioPro then worked correctly, including the test function.  Hope this helps. By the way, audio testing is available in advance settings, after selecting F12 to enter the BIOS. 

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