1. copy-paste the following command into the Terminal:
Gksudo gedit /etc/modprobe.d/alsa-base.conf
2. and add these lines to the end of the /etc/modprobe.d/alsa-base.conf file:
# Keep snd-pcsp from beeing loaded as first soundcard
Options snd-pcsp index=-2
Alias snd-card-0 snd-hda-intel
Alias sound-slot-0 snd-hda-intel
Options snd-hda-intel model=dell-m4-1
Options snd-hda-intel enable_msi=1
3. Then navigate to System>Preferences>Sound and change everything to ALSA
4. copy-paste the following command into the Terminal:
Gksudo gedit /etc/group
5. replace the following line (or something very similar to it):
audio

:29:pulse
With this line:
audio

:29:<your Ubuntu logon name>,pulse
6. reboot and retest sound
7. In the Mixer control panel, make sure to unmute all channels and increase the volume on all channels
Đánh dấu