Hello Christopher, thanks for the comment, but I don't think it's BIOS related.
Verified again on 201202-10592 with 12.10 + update (3.5.0-45) Volume can be controlled by hotkeys, sound could be played normally. But the output device section still empty. With further investigation, it might be caused by pluseaudio an output device (Built-in Audio Analog Stereo) will appear with this command: pactl load-module module-detect please find attachments for "pacmd list-sinks" results before and after this pactl command. $ dpkg -l | grep pulseaudio ii gstreamer0.10-pulseaudio:amd64 0.10.31-3ubuntu1.2 amd64 GStreamer plugin for PulseAudio ii pulseaudio 1:2.1-0ubuntu4.1 amd64 PulseAudio sound server ii pulseaudio-module-bluetooth 1:2.1-0ubuntu4.1 amd64 Bluetooth module for PulseAudio sound server ii pulseaudio-module-gconf 1:2.1-0ubuntu4.1 amd64 GConf module for PulseAudio sound server ii pulseaudio-module-x11 1:2.1-0ubuntu4.1 amd64 X11 module for PulseAudio sound server ii pulseaudio-utils 1:2.1-0ubuntu4.1 amd64 Command line tools for the PulseAudio sound server I will change the affected package, thanks! ** Attachment added: "list-sinks" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1190482/+attachment/3942233/+files/list-sinks ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Package changed: linux (Ubuntu) => pulseaudio (Ubuntu) ** Changed in: pulseaudio (Ubuntu) Importance: Medium => Undecided -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1190482 Title: [Dell Vostro 2420] Internal speaker does not show up in "Sound settings" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1190482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs