None of the above methods I've tried have worked. I've tested the sound with external speakers and headphones and they seem to work, so suspect this could be a driver issue but not certain - and don't know how to resolve this if this is the case especially since, as mentioned, sound settings and System Profiler and Benchmark seem to recognize the hardware. > In Windows (where sound comes through the laptop speakers with no issues), the audio drivers are "IDT High Definition Audio CODEC, driver version: 6., and Intel(R) Display Audio, driver version: 6. > Tested sound on "Test Speakers" in sound settings, and on Youtube and Twitter videos on both Firefox and Chromium > Followed instructions (on ) to reinstall Alsa and Pulse audio, and edit the speech-dispatcher file > Checked that the OS recognizes the sound device (shows as "Speakers - Built -in Audio" in sound settings, and as "HDA-Intel - HDA Intel PCH" in System Profiler and Benchmark) I have tried to resolve this in numerous ways: I have recently installed Ubuntu 18.04 LTS alongside Windows 7 in a dual-boot setup (had Windows 7 for years on the computer with no sound issues) on a Dell Inspiron N5110. New to Ubuntu (apart from trying it for a short time years ago) and cannot get the sound to work.
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