THNDERBOLT TO HDMI WERID ISSUE HELP
ok so i have a strange problem going on with my thunderbolt to hdmi settings/connection. THIS IS NOT A CABLE/HARDWARE ISSUE.
i have 2 vizio tv's. one 32" and one 42".
i first started using my imac with the 42" tv for display and it worked fine. recently, i swapped tv's and started using the 32" for display. that also worked fine and still does. now, i am trying to to go back to using the 42" it will not detect the tv display for some reason. ever since i plugged imac into the 32" tv its like it changed some setting i don't know about and the 42" will not work. i can not figure it out.
like i said, i plug the thunderbolt to hdmi into the 32" tv and it works like a charm. 42" won't do anything now. just to clarify, i am not trying to use both displays at the same time.
any thoughts, anyone?
and yes i am on the correct input. i have tried rebooting and shutting down. doesn't work.
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Arch (64 bit)
custom desktop pc:
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i7 cpu
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**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: ALC889 Analog [ALC889 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 1: ALC889 Digital [ALC889 Digital]
Subdevices: 1/1
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Subdevices: 0/1
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null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=MID
HDA Intel MID, ALC889 Analog
Default Audio Device
sysdefault:CARD=MID
HDA Intel MID, ALC889 Analog
Default Audio Device
front:CARD=MID,DEV=0
HDA Intel MID, ALC889 Analog
Front speakers
surround40:CARD=MID,DEV=0
HDA Intel MID, ALC889 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=MID,DEV=0
HDA Intel MID, ALC889 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=MID,DEV=0
HDA Intel MID, ALC889 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=MID,DEV=0
HDA Intel MID, ALC889 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=MID,DEV=0
HDA Intel MID, ALC889 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=MID,DEV=0
HDA Intel MID, ALC889 Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=Generic,DEV=0
HD-Audio Generic, HDMI 0
HDMI Audio Output
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Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
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1366x768 59.8*+
1920x1080 50.0 60.0 30.0 25.0 24.0
1920x1080i 50.0 60.1
1280x720 50.0 60.0
1440x576i 50.1
1024x768 75.1 70.1 60.0
1440x480i 60.1
832x624 74.6
800x600 72.2 75.0 60.3
720x576 50.0
720x480 59.9
640x480 72.8 75.0 66.7 60.0
720x400 70.1
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]$ lsmod | grep snd
snd_hda_codec_hdmi 29298 1
snd_hda_codec_realtek 30893 1
snd_hda_intel 35816 7
snd_hda_codec 145704 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
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soundcore 5418 1 snd
$ lsmod | grep snd
snd_hda_codec_hdmi 29298 1
snd_hda_codec_realtek 30893 1
snd_hda_intel 35816 7
snd_hda_codec 145704 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep 6364 1 snd_hda_codec
snd_pcm 76860 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 7330 2 snd_pcm,snd_hda_intel
snd_timer 18687 1 snd_pcm
snd 58893 20 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec,snd_hda_intel
soundcore 5418 1 snd
[sean@arch ~]$ lsmod | grep '^snd' | column -t
snd_hda_codec_hdmi 29298 1
snd_hda_codec_realtek 30893 1
snd_hda_intel 35816 7
snd_hda_codec 145704 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep 6364 1 snd_hda_codec
snd_pcm 76860 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 7330 2 snd_pcm,snd_hda_intel
snd_timer 18687 1 snd_pcm
snd 58893 20 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec,snd_hda_intel
$ ls -l /dev/snd
total 0
drwxr-xr-x 2 root root 80 Aug 18 17:50 by-path
crw-rw----+ 1 root audio 116, 8 Aug 18 17:50 controlC0
crw-rw----+ 1 root audio 116, 11 Aug 18 17:50 controlC1
crw-rw----+ 1 root audio 116, 7 Aug 18 17:50 hwC0D2
crw-rw----+ 1 root audio 116, 10 Aug 18 17:50 hwC1D0
crw-rw----+ 1 root audio 116, 6 Aug 18 21:53 pcmC0D0c
crw-rw----+ 1 root audio 116, 5 Aug 18 22:15 pcmC0D0p
crw-rw----+ 1 root audio 116, 4 Aug 18 21:53 pcmC0D1c
crw-rw----+ 1 root audio 116, 3 Aug 18 21:54 pcmC0D1p
crw-rw----+ 1 root audio 116, 2 Aug 18 17:50 pcmC0D2c
crw-rw----+ 1 root audio 116, 9 Aug 18 22:29 pcmC1D3p
crw-rw---- 1 root audio 116, 1 Aug 18 17:50 seq
crw-rw----+ 1 root audio 116, 33 Aug 18 17:50 timer
Last edited by seanthor (2013-09-14 13:40:50)OK, I think I've got a resolution. I used a combination of several wikis to get it right, mainly:
ALSA-Gentoo Wiki
ALSA-Arch Wiki
ATI#HDMI Audio-Arch Wiki
Kernel Parameters-Arch Wiki
I searched a number of other pages I don't remember right now, but these were the most helpful as I recall. I again added "radeon.audio=1" to /etc/default/grub per the "Kernel Parameters" and "ATI#HDMI Audio" Arch Wikis. I then modeled my ~/.asoundrc to match the Gentoo Wiki example, with a slight tweak to fit my hardware. That file now looks like this:
GNU nano 2.2.6 File: ~/.asoundrc
pcm.!hdmi {
type hw
card 0
device 3
pcm.!default {
type plug
slave {
pcm "hdmi"
It's been a few days, with rebooting everyday, and so far so good. Audio programs (eg. VLC) and flash content are working just fine. However, speaker-test & aplay -D give no errors and the scripts run, but no audio is actuallly produced. ??? Is this a problem, or can I continue to ignore it?
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I've got one question, regarding this statement,
But when the edited file is exported and viewd on TV screen, I notice flickering issues when we have fast movement camera or people.
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Has any one had the same issue?Dear icftokyo
Welcome to Lenovo forums
Kindly try the following steps
1-right click on the speaker icon on the notfication area
2-choose playback devices
3-right click on an empty space and put a check mark on show diabled devices
4-select the HDMI and right click on it and choose set as default and then click ok
please get back to us if the ropblem was not fixed
Thank you
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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