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I have a Dell Studio 1745 64 bit laptop which came with Windows 7 but is now multi-partitioned with Ubuntu and linux Mint installed. Generally, everything works but I am unable to use either of the two headphone sockets in the linux OS's,though there is no problem in Windows 7. I have tried the audio configuration modules without success. Is there any tweak that will activate the sockets?
frankbell: e.g. In Linux 12 click top left corner//click Applications//click System Set//click Sound//click Output//Set "Connector" to "Analogue Headphones".
I don't have a copy of Mint handy for testing, but I think it might have ALSA installed in a layer underneath Pulseaudio.
Try this: Open a terminal in either of the Linux distros and run the command "alsamixer." If ALSA's installed, a ncurses GUI should open. If it does, check the setting to make sure that the headphones are not muted at a lower level.
The Arch wiki has an excellent article on ALSA.
This is just a shot in the dark, mind you. Good luck.
What are the levels for headphone, speaker, and PCM? When I switched from OSS the new drivers set PCM at 0 by default: I have to set it in rc.local to have it non-zero at boot.
Alsamixer shows all levels at midway, i.e. 5 out of 10
Try setting them all at 100% Some machines have multiple audio devices. On one the second was the one I was using. Only when I set their volumes up did I get sound.
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