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Windows 7: No sound through HDMI

17 Apr 2013   #11
Ivan Nielsen

Windows 7

Quote   Quote: Originally Posted by RyuuzakiMasato7 View Post
Was looking in the Device Manager, about to follow your advice fireberd, when I noticed there were two identical items called High Definition Audio Controller - one of which was disabled. Enabled, fixed. Unbelievable. I think I missed it since I was only looking in the Sound, video and game controllers section, this was in System Devices. I definitely didn't disable it, which is confusing. No matter, it works now
THANK YOU SO MUCH! This completely solved my problem which I have been struggling with for several weeks. Went to Device Manager and realized I had two items called "High Definition Audio Controller" and one of them was disabled. Enabling it brought the Digital Audio (HDMI) option back to playback devices where it belongs.

Before I had exactly the same problem as RyuuzakiMasato7. Now I can play movies on TV from my laptop again (through HDMI), with the sound coming drom the TV instead of the laptop. I still have no idea how the High Definition Audio Controller became disabled in Device Manager, though.

I LOVE YOU ALL :-) Greetings from Denmark

My System SpecsSystem Spec
28 May 2013   #12

7 64 bit

My PC is acer aspire x3200
I discouvered this happened because I flashed a wrong BIOS which was posted on acer EU website.
reflashed the correct one and the problem was solved.
My System SpecsSystem Spec
06 Aug 2013   #13

windows 7 32 bit

i dont see "High Definition Audio Controller" in my device manager.. help!!
My System SpecsSystem Spec

11 Sep 2013   #14

Still can't solve this one

Ok, so I've tried to go through updating drivers. I've looked for the High Definition Audio Control in Device Manager; I've uninstalled software that my children apparently had installed that might have caused the original problem; I've slammed my head into the wall a few times (well maybe not but I've felt like it)
Any other suggestions for how to get my sound working over hdmi again? It was working fine up to about 3 weeks ago but cannot seem to find the change that was made to cause it to not function. I have picture but no sound.
Using HP Pavillion G6 with Windows 7; Intel i3; 4gb ram; 64 bit OS
My System SpecsSystem Spec
29 Dec 2013   #15

W7 X64


I had this problem on a Shuttle SN68PTG6. What is "funny" it worked the first time I did connections, but after some cabling changes on TV, no more sound.

I removed and installed again dri vers from Shuttle web site but no change ; I tested many configurations, reprogramming TV too, so I even had no more video when connecting the comp to VGA input of the TV!

Finally I succeed to have video on main HDMI (labelled ARC), HDMI audio by default in Sound playback panel, green scale animation when playing sound, but nothing on TV

Then I noticed that the Nvidia control panel was not working, so I looked for drivers on Nvidia Web site and installed the international one corresponding to my internal graphic card. So I got the Nvidia graphic control panel and had a look in multi display setting help and read this :

"When you connect a digital display to your computer while it is on - an action also known as hot-plugging - the dri ver detects the display and then configures the multi-display mode and display resolution based on the recent record of the displays connected".

This remind me ten years ago when we spent hours to connect a graphic card to have video on a normal TV. A lot of problems with TV detection, we needed to have adaptor or force TV detection.

So I did hot-unplug, disconnecting HDMI cable from my Philips flat TV, connect again to the TV, then the flat TV appeared in the Nvidia control panel and I was able to select it as main display, and... I got sound!

So I can say that it is not enough to update dri vers and select HDMI high audio as default device. There is still the problem where to send the video and audio. Since my TV has 3 HDMI inputs, the TV and the input we use, must be detected. This will be done with a hot plugging. I read posts where it is said that PC must be switched on first, then TV. It's not enough because it is not sure that the selected HDMI input is active when switching on and has dialog with the PC. So switch on TV, then select HDMI input on your TV, then hot-plug HDMI cable, then manage your graphic card control panel.

Hope this could help.
My System SpecsSystem Spec
18 Jan 2014   #16


Hi, I just signed up to post details of how I managed to fix this.

It was pretty simple in the end, right click on the volume control icon and select 'Playback devices', set hdmi as default and you're good to go.

Laptop needs to be connected to the TV for the option to be available.
My System SpecsSystem Spec
22 Feb 2015   #17

64 bit Windows 7
When HDMI cable won't transfer sound.

Make sure your graphics card is updated.

Mine is NVIDIA and I had ignored it's updates for awhile and so my HDMI cable wouldn't send sound to the TV it would keep playing from my laptop. I searched through these forums for an answer and saw a bit mentioning the graphics card controlling the HDMI stuff and that the sound driver (ex: Realtek) only controlled the sound through for the laptop. So update your graphics card.

I'm just posting this so future hunts for answers don't take as long as mine did.
My System SpecsSystem Spec
14 Dec 2015   #18

Windows 7 Pro 64 bit
How I solved it...

I've been through all those things that others have mentioned. I was particularly puzzled as I could play videos with both picture and sound through my external HDMI connected TV set (using VLC player), but music (also using VLC player) would only play through the PC's speaker. Whatever I did, I could not make "HDMI" an option for sound output.

The way I solved it was to download the following two High-Definition codecs from realtek:
  • 64bits Vista, Windows7, Windows8, Windows8.1, Windows10 Driver only (R2.79)
  • ATI HDMI Audio Device (R2.70)

The installation automatically de-installed whatever I had, and via two reboots installed the downloaded ones. I should probably add, that I had my TV connected via HDMI and turned on during the who install process.
My System SpecsSystem Spec
12 Mar 2016   #19

Windows 7 x64

Quote   Quote: Originally Posted by Lazare View Post
Hi, I just signed up to post details of how I managed to fix this.

It was pretty simple in the end, right click on the volume control icon and select 'Playback devices', set hdmi as default and you're good to go.

Laptop needs to be connected to the TV for the option to be available.
This worked for me, too.

However, I was disappointed to see that Windows 7 doesn't seem to allow simultaneous audio output from both the audio (Realtek) and video (ATI) devices.
My System SpecsSystem Spec

 No sound through HDMI

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