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the following solved my problem http://ubuntuforums.org/showthread.php?t=2141858

thanks again for everyone's help

Thank you very much, I updated to 3.9 kernal using the link provided in the sticky and now have sound =]

I also tried following the instructions here https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS but that also did not help and I still get Unable to locate package alsa-hda-dkms after an update and a...

The first two commands work fine but then when I run
sudo apt-get install alsa-hda-dkms I get the following:

Reading package lists... Done
Building dependency tree
Reading state...

upon upgrading to 13.04 from 12.10 the hdmi picture on my tv works fine but sound does not, it worked perfectly before, hdmi doesn't come up on the sound or pulseaudio menu,


sudo aplay -l

...

please? anybody?

I have since upgraded to 13.04 raring ringtail and I'm still having this problem, any help would be greatly appreciated

nothing with HDMI appears anywhere on any tab in pulse audio, even when playing video, all that appears are speakers (which alters the laptop speakers) and headphones, no hdmi or tv speakers.

Any help would be greatly appreciated, I'm still having this problem, if you need any more information I will happily provide it, thank you.

I tried this at the time and it didn't work, however after a subsequent system upgrade to 12.10 the problem vanished, thank you for your help

hdmi picture on my tv works fine but sound does not, hdmi doesn't come up on the sound or pulseaudio menu,

sudo aplay -l

gives


**** List of PLAYBACK Hardware Devices ****card 0: PCH [HDA...

I managed to fix this, apparently it was some iddue with my drivers, I added sudo add-apt-repository ppa:ubuntu-x-swat/x-updates and ran an update, rebooted and for some reason that fixed my wifi,...

now on a completely unrelated note the mark this thread as solved isnt appearing under thread tools as usual, any ideas?

fixed this problem, apparently somehow my drivers had stopped working/been removed, i pressed ctrl+alt+t to open a terminal and ran


sudo add-apt-repository ppa:ubuntu-x-swat/x-updates

then...

also running

/usr/lib/nux/unity_support_test -p

gives me

OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 0x301)
OpenGL version string: 2.1...

echo ath9k >> etc/modules

gives me


bash: etc/modules: No such file or directory

then
modprobe ath9k

i did an update as usual and unity vanished, using ccsm i got it back but it's very slow and clearly not working properly, also my wifi stopped working, I have no idea what happened, I'm running am...

update: did a system reboot and now even my wired connection isn't working, also cannot access network manager it says "the system network services are not compatible with this version" however...

that gives me


03:00.0 Network controller [0280]: Atheros Communications Inc. AR9485 Wireless Network Adapter [168c:0032] (rev 01)

for some reason my wifi has just stopped appearing altogether but wired connection works fine,
ifconfig -a gives eth0 and lo but not wlan0,
I edited /etc/network/interfaces to:

auto lo
iface...

I am having exactly the same problem in 12.10, has a solution for this emerged yet?

thank you in advance for any assistance.

I'm still having this problem, any help would be really appreciated

My laptop is running ubuntu 12.10, I recently got a new tv, when I connect the hdmi output from my laptop to the tv the tv registers it as DVI and I get video but no audio, however my ps3 hdmi...

I got unity 3d to work now too,

I ran

/usr/lib/nux/unity_support_test -p

in the terminal and got all yes so I then ran

sudo nano environment