Same issue, same machine as Peter. Dell 5510, upgraded to 16.04 -- at 1st the speakers worked, but the headphone would not. Now the headphones work, but the internal speakers don't.
==================== HEADPHONE PLUGGED IN ==================== $ pactl list sinks Sink #0 State: SUSPENDED Name: alsa_output.pci-0000_00_1f.3.analog-stereo Description: Built-in Audio Analog Stereo Driver: module-alsa-card.c Sample Specification: s16le 2ch 48000Hz Channel Map: front-left,front-right Owner Module: 6 Mute: no Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB balance 0.00 Base Volume: 65536 / 100% / 0.00 dB Monitor Source: alsa_output.pci-0000_00_1f.3.analog-stereo.monitor Latency: 0 usec, configured 0 usec Flags: HARDWARE DECIBEL_VOLUME LATENCY Properties: alsa.resolution_bits = "16" device.api = "alsa" device.class = "sound" alsa.class = "generic" alsa.subclass = "generic-mix" alsa.name = "ALC3266 Analog" alsa.id = "ALC3266 Analog" alsa.subdevice = "0" alsa.subdevice_name = "subdevice #0" alsa.device = "0" alsa.card = "0" alsa.card_name = "HDA Intel PCH" alsa.long_card_name = "HDA Intel PCH at 0xddd28000 irq 137" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:00:1f.3" sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0" device.bus = "pci" device.vendor.id = "8086" device.vendor.name = "Intel Corporation" device.product.id = "a170" device.product.name = "Sunrise Point-H HD Audio" device.form_factor = "internal" device.string = "front:0" device.buffering.buffer_size = "65536" device.buffering.fragment_size = "32768" device.access_mode = "mmap+timer" device.profile.name = "analog-stereo" device.profile.description = "Analog Stereo" device.description = "Built-in Audio Analog Stereo" alsa.mixer_name = "Realtek ALC3266" alsa.components = "HDA:10ec0298,102806e5,00100103 HDA:80862809,80860101,00100000" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" Formats: pcm ====================== HEADPHONES UNPLUGGED ===================== $ pactl list sinks Sink #0 State: SUSPENDED Name: alsa_output.pci-0000_00_1f.3.analog-stereo Description: Built-in Audio Analog Stereo Driver: module-alsa-card.c Sample Specification: s16le 2ch 48000Hz Channel Map: front-left,front-right Owner Module: 6 Mute: no Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB balance 0.00 Base Volume: 65536 / 100% / 0.00 dB Monitor Source: alsa_output.pci-0000_00_1f.3.analog-stereo.monitor Latency: 0 usec, configured 0 usec Flags: HARDWARE DECIBEL_VOLUME LATENCY Properties: alsa.resolution_bits = "16" device.api = "alsa" device.class = "sound" alsa.class = "generic" alsa.subclass = "generic-mix" alsa.name = "ALC3266 Analog" alsa.id = "ALC3266 Analog" alsa.subdevice = "0" alsa.subdevice_name = "subdevice #0" alsa.device = "0" alsa.card = "0" alsa.card_name = "HDA Intel PCH" alsa.long_card_name = "HDA Intel PCH at 0xddd28000 irq 137" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:00:1f.3" sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0" device.bus = "pci" device.vendor.id = "8086" device.vendor.name = "Intel Corporation" device.product.id = "a170" device.product.name = "Sunrise Point-H HD Audio" device.form_factor = "internal" device.string = "front:0" device.buffering.buffer_size = "65536" device.buffering.fragment_size = "32768" device.access_mode = "mmap+timer" device.profile.name = "analog-stereo" device.profile.description = "Analog Stereo" device.description = "Built-in Audio Analog Stereo" alsa.mixer_name = "Realtek ALC3266" alsa.components = "HDA:10ec0298,102806e5,00100103 HDA:80862809,80860101,00100000" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" Formats: pcm -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1533343 Title: No sound from internal speakers after boot with connected headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1533343/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs