On Thu, 19 Nov 2015 10:38:51 +0000 David Parfitt <daudda...@gmail.com> wrote:
> Hi all: > I've newly bought a laptop (details at end) & installed Jessie 8.2. > All's well except that I have no sound. I've done quite a lot of > online research but got nowhere. I'm looking for ANY other practical > ideas, please. > > What I've done: > 1. Checked alsamixer & pavucontrol - I can't find anything muted. > alsamixer shows 'Speakers' as muted at the start of each session. > Increasing the volume on 'Speakers' (third from left) makes no > difference. > > The only sound I have achieved at all is when (using alsamixer) I > raise the levels of 'Mic Boost' high, when I get 'white noise'. This, > however, suggests to me that the speakers are functional. > > I even tried these: > 'The Steve Litt Diagnostic Tools' from > http://www.troubleshooters.com/linux/sound/downloads/ > unmute_all.sh just hangs after printing its headphones warning. > > 2. Checked drivers / kernel modules. These seem to me to be a. > correct & b. working. pavumeter shows appropriately fluctuating > signal levels when I play a track through aplay or through vlc. > > 3. Torn my hair / crossed my fingers / lost sleep / read a lot - much > of it outdated (I wish people would date online troubleshooting guides > etc BEFORE, near the end, it suggests I add (e.g.) etch-backports to > sources.list). > > I've provided all the relevant information I can think of below - of > course I'd be happy to provide anything else that would help. > > If anyone has any ideas, please let me know :) I follow the > linux.debian.user usenet group on pan regularly, but do not otherwise > receive e-mails. You're welcome to e-mail me with any suggestions. > > Regards > Daud2 > > > ======================================================================================= > All the Hardware/Driver/System Info I can think of: > ======================================================================================= > > daud@debian:~$ cat /etc/debian_version > 8.2 > > daud@debian:~$ uname -a > Linux debian 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt17-1 (2015-09-26) > x86_64 GNU/Linux > > daud@debian:~$ gnome-session --version > gnome-session 3.14.0 > > daud@debian:~$ pulseaudio --version > pulseaudio 5.0 > > daud@debian:~$ cat /proc/cpuinfo | grep 'model name' > model name : Intel Core i7-6700HQ CPU @ 2.60GHz > > daud@debian:~$ lspci -nnk |grep udio > 00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-H HD > Audio [8086:a170] (rev 31) To check if this card is supported by your kernel, see if: # modinfo snd_hda_intel | grep -i '8086.*a170' returns anything. > > daud@debian:~$ cat /proc/asound/cards > 0 [PCH ]: HDA-Intel - HDA Intel PCH > HDA Intel PCH at 0xdf420000 irq 145 > > daud@debian:~$ aplay -l > **** List of PLAYBACK Hardware Devices **** > card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC > Analog] Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] > Subdevices: 1/1 > Subdevice #0: subdevice #0 As your soundcard has two outputs, check that you're not outputting through the HDMI. In pavucontrol. on the "Configuration" tab, make sure the profile is something like "Analog Stereo Duplex" or "Analog Stereo Output". Next, go to the "Output" tab and confirm that the port is "Speakers" or "Headphones" (as appropriate) and check the volume/muting on that tab. > > daud@debian:~$ cat /proc/asound/modules > 0 snd_hda_intel > > daud@debian:~$ cat /proc/asound/version > Advanced Linux Sound Architecture Driver Version k3.16.0-4-amd64 > > daud@debian:~$ lsmod | grep snd > snd_hda_codec_hdmi 45118 1 > snd_hda_codec_realtek 67127 1 > snd_hda_codec_generic 63181 1 snd_hda_codec_realtek > snd_hda_intel 26327 6 > snd_hda_controller 26646 1 snd_hda_intel > snd_hda_codec 104500 5 > snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller > snd_hwdep 13148 1 snd_hda_codec > snd_pcm 88662 4 > snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller > snd_timer 26614 1 snd_pcm > snd 65244 20 > snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel > soundcore 13026 2 snd,snd_hda_codec > > daud@debian:~$ aplay "/home/daud/test.mp3" > Playing raw data '/home/daud/Downloads/test.mp3' : Unsigned 8 bit, > Rate 8000 Hz, Mono > daud@debian:~$ aplay "/home/daud/ReminderFox.wav" > Playing WAVE '/home/daud/FilesToSave/ReminderFox.wav' : Signed 16 bit > Little Endian, Rate 16000 Hz, Mono > > HARDWARE (Manufacturer's List) ( www.pcspecialist.co.uk ) > Chassis & Display Cosmos Series: 17.3" Matte Full HD LED > Widescreen (1920x1080) > Processor (CPU) Intel Core™ i7 Quad Core Processor 6700HQ > (2.6GHz, 3.5GHz Turbo) > Memory (RAM) 8GB Kingston SODIMM DDR3 1600MHz (1 x 8GB) > Graphics Card NVIDIA GeForce GTX 950M - 2.0GB DDR3 Video RAM - > DirectX® 12 > Memory - Hard Disk 1TB WD BLUE 2.5" WD10JPVX, SATA 6 Gb/s, 8MB > CACHE (5400 rpm) > mSATA/M.2 SSD Drive 128GB M.2 2280, SATA 6Gb/s (510MB/R, > 310MB/W) DVD/BLU-RAY Drive 8x SATA DVD±R/RW/Dual Layer (+ 24x > CD-RW) Memory Card Reader Internal 9 in 1 Card Reader > (MMC/RSMMC/SD: Mini, XC & HC/MS: Pro & Duo) > Sound Card Via 2 Channel High Definition Audio + MIC/Headphone > Jack Bluetooth & Wireless GIGABIT LAN & WIRELESS INTEL N-7265 > M.2 (300Mbps, 802.11BGN) + BLUETOOTH > USB Options 3 x USB 3.0 PORTS + 1 x USB 2.0 PORT AS STANDARD > > Audio Chipset Via™ High Definition Audio Channels 2 > channel HD Audio Connections Microphone-in and headphone-out > Speakers Built in two speakers Integrated Microphone Yes >