Author Topic: No sound in 16.04  (Read 508 times)

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Offline mikep

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No sound in 16.04
« on: March 18, 2017, 11:23:22 pm »
Finally upgraded from 14.04 to 16.04 and the sound has gone awol.

In settings~sound the only option is Digital Output (S/PDIF).

I can't find any option to use analogue sound.

Grrrr!

Update: I plugged the speakers into the rear jack instead of the front one and analogue sound kicked in. The front jack no longer seems to work (it did under 14.04).

Oddly, the right channel doesn't work with the speakers plugged into it directly, but it does with the headphones or with the speakers on an extension cable, as long as I wiggle the plug a bit. That trick just doesn't work with the speakers alone. I suppose it's a physical thing, to do with cables and plugs. Doesn't half annoy me though.

No idea why the front jack has stopped working. Any clues appreciated.
« Last Edit: March 19, 2017, 12:51:47 am by mikep »

Offline Keith

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Re: No sound in 16.04
« Reply #1 on: March 19, 2017, 10:16:04 pm »
I am assuming this is a desktop, so have you installed a sound card or are you using the sound system built in to the motherboard?

Keith

Offline mikep

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Re: No sound in 16.04
« Reply #2 on: March 21, 2017, 12:51:46 am »
Yes, desktop. Onboard sound only.

Having realised that the method of wiggling the jack introduces a horrible buzz, I've given up on the rear panel - I think the sound on the motherboard is shot.

This is a dual-boot box with Windows. In XP I have got the front panel sound working nicely (oddly, by disabling the front panel jack detection in Realtek Audio Manager. A known problem). If I can just achieve the same thing in Ubuntu, that will do, but I can't find the equivalent settings..

Next thing will be to install a soundcard, but the box is a bit full so I would have to remove some other card. Not ideal.

M

Offline Keith

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Re: No sound in 16.04
« Reply #3 on: March 21, 2017, 09:44:56 am »
I'm out of my depth here, Mike, but it does sound as though you have serious motherboard problems. 
In my own experience, using a separate board has always solved any difficulties - but then I always had spare slots available! 
Do you have PulseAudio Volume Control installed?  Not sure it will help fix anything but it might give you some clues about what's going on.  I've found it useful when trying to get sound out of Audacity and Bluetooth. 

Sorry I can't make any more useful suggestions.

Keith

Online Mark Greaves (PCNetSpec)

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Re: No sound in 16.04
« Reply #4 on: March 21, 2017, 12:54:10 pm »
Do you know the make and model of the motherboard ?

and can you post the output from:
Code: [Select]
aplay -l
and
Code: [Select]
cat /proc/asound/card0/codec* | grep Codec
and if any
Code: [Select]
cat /proc/asound/card1/codec* | grep Codec
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Offline mikep

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Re: No sound in 16.04
« Reply #5 on: March 21, 2017, 09:14:06 pm »
Thanks for your help Keith, I'll look into PulseAudio (never heard of it before...).  I can free up a slot if need be for a sound card.

Mark, It's an Abit IP35 Pro motherboard. Outputs below. The HDMI device must be the video card as no sound card is installed.


To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

mike@mike-ubuntu:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC888 Analog [ALC888 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC888 Digital [ALC888 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
mike@mike-ubuntu:~$ cat /proc/asound/card0/codec* | grep Codec
Codec: Realtek ALC888
mike@mike-ubuntu:~$ cat /proc/asound/card1/codec* | grep Codec
Codec: ATI R6xx HDMI
mike@mike-ubuntu:~$

Online Mark Greaves (PCNetSpec)

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Re: No sound in 16.04
« Reply #6 on: Yesterday at 03:40:19 pm »
Can you check if audio works if you log onto the "Guest" session ?
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