Hi there. Fowarded from my "Ubuntu manual upgrade thread": Another problem with Realtek. No sound on mainspeakers on MACBOOK Air 2.1. A known issue?? See also the different aplay and codec IDs! Klaus Quote: ----------------------- No sound on main internal speaker. Headphones do work fine. Macbook Air 2,1 Ubuntu Intrepid server Kernel 2.6.27-9 Alsa Driver version 1.0.18a GIT snapshot from 12/4/08 Sound card nVidia MCP79 (device id 10de:0ac0) aplay -l: ALC885 /proc/asound/card0/codec#0 CODEC ALC889a lspci -nv 00:08.0 0403: 10de:0ac0 (rev b1) Subsystem: 10de:cb79 ------------------------ _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel