if your headphone Jack, Mic jack, spreaker and internal Mic are working the subwofer will be one of the remainIng pin complex which pin cap support OUT
what you need is to connect one of those candidate to audio output , set pin ctls to OUT and unmute the amp in those audio mixer or selector from pin complex to audio output by hda-analyser sys/class/sound/hwC0D0/init_pin_configs: 0x12 0x400a0000 0x13 0x411111f0 0x14 0x90170110 0x15 0x0321101f 0x16 0x411111f0 0x17 0x411111f0 0x18 0x411111f0 0x19 0x90a70120 0x1a 0x03a1102e 0x1b 0x411111f0 0x1d 0x4056832d 0x1e 0x411111f0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1211920 Title: Low audio output on Vostro 5460 (with Ubuntu pre-loaded) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1211920/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs