In the terminal type
Quote:
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gedit /etc/modprobe.d/sound.conf
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It will probably be an empty file
add these line:
Quote:
options snd slots=snd-hda-intel
options snd-hda-intel model=hp-hdx
alias snd-card-0 snd-hda-intel
options snd-hda-intel enable_msi=1
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This will activate your speakers on next reboot.