I've read many many posts on many many boards talking about this problem. None seemed to fit my circumstances, so I'll come here and try my own post. I also called Dell and Microsoft and neither could help (for free - I may yet have to pay to get it working).
I have a studio laptop running Vista 32 and connected via HDMI cable to a Vizio LCD. Picture is great but no sound. Actually, with the laptop connected and shutdown and TV on, I start the computer I get the startup sounds from Vista through the TV (very encouraging) - then nothing. I have diddled with everything related to the sound on the machine -
I do NOT have the SPDIF option on the sound output that seems to solve everyone elses problem. I don't know the audio card, but it's the default option that comes with the studio (nothing special) .
I did notice that I can't adjust the frequency of the HDMI output (which I think is the problem) it only allows 16bit 44.1 KhZ (I read somewhere HDMI needs 24 bit - I don't have that option). I also can't connect the HDMI for picture AND the RCA for sound as the TV only takes input through HDMI OR RCA - not both at the same time.
I think if I didn't get the initial Vista sounds through the TV I would have given up long ago - but because I do, I know it should (and can) work!
Any help or insight is greatly appreciated.
I don't have an HDMI system, but from reading posts here about it I think that it does not pass audio to the tv through your IDT audio system's driver, but through a separate audio driver associated with the graphics card. I don't know the specifics so I can just give you suggestions of where to look.
> In the Device Manager there is an "Audio device on high definition audio bus" which is the HDMI port driver located in the HDMI folder of your display driver folder, something like C:\dell\drivers\R199173\HDMI.
> Another poster wrote:
"... in the unzipped intel video driver (GM965) there's a folder named HDMI. It contains the driver for the audio device on high definition audio bus. To install, right click on the device in device manager (which has an exclamation mark on it), then update driver, and point to the HDMI folder.
Once the driver is installed, the (!) exclamation should disappear in device manager. There's no need to reconfigure any audio settings. Audio will automatically be fed to the HDMI port...."
Hope that is of some use.
Thanks for your post. HDMI stands for High Definition Multimedia Interface. The Multimedia means audio and video. Look here for a high level discussion of the technology. (http://hometheater.about.com/od/hometheatervideobasics/qt/hdmifacts.htm)
Here is a thread on notebookforums that confirms that HDMI audio is associated with the graphics card's driver. The thread has an explanation of how to enable the HDMI audio output on an Inspiron 1525.
I just got a Studio 1737 and had a problem with the HDMI cable too. The picture was fantastic on my Philips LCD tv but no sound. Fortunately, I bought two cables so as a court of last resort I switched cables and voila there was stereo sound. I'm sure there are configuration problems on many systems but my problem was simply the HDMI cable. I hope this helps someone. By the way, the sound came through my laptop speakers after I unplugged the HDMI cable. To be safe, I turned off the TV before I disconnected the cable though.
I have the same problem with Dell Studio Laptop 1737 and RCA 32" high def TV - get picture but no sound. The Control Panel / Sound / Manage Audio Devices shows the Digital Output Device (HDMI), and I set that as default, but under the Configuration button, Test does not produce a sound thru TV speakers. Also under the device's Properties / Supported Formats, there are 3 choices: DTS Audio, Dolby Digital, MS WMA Pro Audio, and selecting each one to "test" produces the same result: Windows unable to play the tone, support will be disabled. There is one choice under Sample Rates: 48.0 KHz, and testing this asks if I hear a sound, I click No, and nothing happens.
To troubleshoot, I connected this same PC with same HDMI cable to a different TV, and it all worked great. Then I tried the problem TV with the same HDMI cable connected to a DVD player and a cable box - both worked fine. So the problem seems to be that the PC is not passing sound thru the HDMI cable to this RCA TV. (I can set the speaker default the IDT High Def Audio CODEC option and hear the movie thru the laptop speakers while viewing on the TV, but that's not a good option.)
I have been having the same problem. I have the same laptop and a 40 inch RCA HD TV. The HDMI gives me great picture but no sound at all. I followed the same steps as you with the same results. In the past I have hooked my laptop to other HD TVs using a HDMI cable and had no problem getting sound (once I set the HDMI as the default).
This problem is really making me upset. Have you found a solution? Any help on this issue would be greatly appreciated.
Welcome to the Dell Unresolved Forums.
How many "I have this problem too" posts does it take to get a solution.
Loving it, 1645 XPS, I too have the same problem.
How about some more people reply that don't have an HDMI port and specualte on the solution..
Love you guys!
See the thread How to Enable HDMI Audio. Every tip there is from someone who got HDMI audio to work with their model of Dell laptop and an HDMI tv.