In HP Presario CQ6 has a curious problem in Mint 18. Even if default output is set to speaker, voices comes out when is selected Analog Jack output. The fix is to install alsa-tools-gui and deactive Analog Jack output
sudo apt-get install alsa-tools-gui
To test sounds, run
aplay -l
You can test the output using command. If card 0 and device 0
aplay -D plughw:0,0 /usr/share/sounds/alsa/Front_Center.wav
To run hdajackretask, run
hdajackretask
Key words: audio, sound, hdmi