Thanx for the answer I did as you said, run paman and found (but I had already doubts): in the server tab it says: default sink autonull default source autonull.monitor and in the device tab it says sinks autonull output dummy sources autonull.monitor monitor of output dummy so I think no audio drivers are installed I am not expert in linux so I am not sure but these words ‘null’ and ‘dummy’ sound bad driver to me. Anyway in paman I have setted all the volumes to 75%, but no audio output anyway. Here is the terminal output for the 2 commands: io@macmini:$ cat /proc/asound/cards — no soundcards — io@macmini:$ lspci -nn 0000:00:0b.0 Host bridge 0600: Apple Inc. UniNorth 2 AGP 106b:0034 0000:00:10.0 VGA compatible controller 0300: Advanced Micro Devices, Inc. AMD/ATI RV280 Radeon 9200 1002:5962 (rev 01) 0001:10:0b.0 Host bridge 0600: Apple Inc. UniNorth 2 PCI 106b:0035 0001:10:17.0 Unassigned class ff00: Apple Inc. KeyLargo/Intrepid Mac I/O 106b:003e 0001:10:18.0 USB controller 0c03: Apple Inc.

KeyLargo/Intrepid USB 106b:003f 0001:10:19.0 USB controller 0c03: Apple Inc. KeyLargo/Intrepid USB 106b:003f 0001:10:1a.0 USB controller 0c03: Apple Inc. KeyLargo/Intrepid USB 106b:003f 0001:10:1b.0 USB controller 0c03: NEC Corporation OHCI USB Controller 1033:0035 (rev 43) 0001:10:1b.1 USB controller 0c03: NEC Corporation OHCI USB Controller 1033:0035 (rev 43) 0001:10:1b.2 USB controller 0c03: NEC Corporation uPD72010x USB 2.0 Controller 1033:00e0 (rev 04) 0002:20:0b.0 Host bridge 0600: Apple Inc. UniNorth 2 Internal PCI 106b:0036 0002:20:0d.0 Unassigned class ff00: Apple Inc.

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UniNorth/Intrepid ATA/100 106b:003b 0002:20:0e.0 FireWire (IEEE 1394) 0c00: Apple Inc. UniNorth 2 FireWire 106b:0031 (rev 81) 0002:20:0f.0 Ethernet controller 0200: Apple Inc. UniNorth 2 GMAC (Sun GEM) 106b:0032 (rev 80) io@macmini:$ ^C io@macmini:$.

You should have “Snapper” sound system. This is the output of lsmod grep snd io@macmini:$ lsmod grep snd sndpowermac 65921 0 sndpcm 98459 1 sndpowermac sndseqmidi 6349 0 sndseqmidievent 6991 1 sndseqmidi sndrawmidi 25199 1 sndseqmidi sndseq 64013 2 sndseqmidievent,sndseqmidi sndseqdevice 5000 3 sndseq,sndrawmidi,sndseqmidi sndtimer 23723 2 sndpcm,sndseq snd 71471 6 sndtimer,sndpcm,sndseq,sndrawmidi,sndseqdevice,sndpowermac soundcore 7247 1 snd io@macmini:$ then I entered sudo modprobe snd-powermac but nothing happened. Samsung uf 80dx driver for mac.

Then I reentered lsmod grep snd but the output was the same. Then I opened etc/modules and this is the file: /etc/modules: kernel modules to load at boot time. This file contains the names of kernel modules that should be loaded at boot time, one per line. Lines beginning with '#' are ignored. Apmemu snd-powermac so the snd-powermac line is already present. What can I do? Hello, I’ve also came across this problem and no solution seemed to work.

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Here’s what I did to finally make the sound work: Open the terminal and type sudo nano /etc/modules Below all those paragraphs starting with a hashtag (#) type those 4 lines: sndaoai2sbus sndaoafabriclayout sndaoacodectas sndaoacodeconyx Click Ctrl+O, save changes and click Ctrl+X. Reboot to get sure the changes were applied correctly. Now system should recognize your sound card. If you still have no sound, install an app called QasMixer from Ubuntu Software Center and simply adjust the PCM volume control. That’s the easiest way, because this app comes with GUI.

That’s it, let me know if it worked for you.