HP DV7T-4100 Audio :: No Sound At All - With Built In Speakers / Headset Or Using HDMI Connection To TV
Jun 11, 2014
DV7T-4100 w/Intel i5 M460 processor
Product ID: WW189AV
Windows 7 (64 bit) Home Premium
My laptop has no sound at all - built in speakers, earbuds, not even when connected to my TV using the HDMI port (which is a separate driver).
2 weeks ago all sound was working. I was watching (and listening) youtube videos using my earbuds. I stopped a video and left my laptop unused until the next day. There were no installs or updates applied that I am aware of. The next day I closed Youtube and played words with friends and there was no sound. I restarted the laptop and still no sound.
I have read and worked through many processes and fixes found on this and other forums but have been unable to get sound working. I also attempted to restore my laptop back to prior to this issie but my restore points fail (corrupted).
Drivers: Both drivers are present and state they are working properly - they are current versions
ATI high definition Audio Device Date 5/6/2010 Ver 7.11.0.7706
IDT High Definition Audio Codec Date 6/17/2010 Ver 6.10.6289.0
I have uninstalled (checked delete the driver software for this device) and reinstalled multiple times.
I have uninstalled, shutdown, removed power and battery, held power button for 30 seconds, then repowered and let the drivers reinstall (they automatically installed upon boot I was not able to run the sp50642.exe that I downloaded).
I also used the HP Recovery tool and reinstalled the drivers to factory default
I have run Microsofts problem finder and it reports all is working.
I have verified there are no settings muted or disabled. When I test the speakers from"Sound and Headphones" Properties, I get "Failed to play test tone".
FYI - I have not done an update to the BIOS but I checked and mine is the updated version F.29 but the date is 14 days older then the downloadable SP55299 version.
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Nov 22, 2010
I just recently bought an HP - dv6 WF536AV Laptop. The sounds were proper from the built-in Altec Lansing speakers , till i updated the audio drivers via HP Support Utility.
Now i do not get any playback from the speakers mentioned above, but while plugging in my iPod headphones, there is audio in the headphones.
I've tried to reinstall the IDT Audio driver from the HP Support utility as well as one downloaded from the website :
IDT High-Definition Audio Driver 6.10.6289.0
[URL] ....
Yet, nothing is resolved. Of what i understood from various articles on the web, was that the new driver sets the headphone jack as the primary device for audio output and hence it does not reach the speakers.
Also , I'm pretty sure of this not being a hardware conflict since the laptop is recently purchased and i've rarely used the headphone jack.
Following are the details about my system :
• HP Pavilion dv6t customizable Notebook PC
• black cherry
• Genuine Window s 7 Home Premium 64-bit
• Intel(R) Core(TM) i3-350M Dual Core processor (2.26GHz,3MB L3 Cache)
• 512MB ATI Mobility Radeon(TM) HD 5470 sw itchable graphics[HDMI, VGA]
• 4GB DDR3 System Memory (2 Dimm)
• HP TrueVision Webcam and Digital Microphone
IDT High-Definition Audio Driver 6.10.6289.0
Hardware ID's :
HDAUDIOFUNC_01&VEN_111D&DEV_7605&SUBSYS_103C144A&REV_1004HDAUDIOFUNC_01&VEN_111D&DEV_7605&SUBSYS_103C144A
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Dec 12, 2009
I purchased a 13" HP Dv3t-2000 Moonlight White laptop back in May 2009. I got this particular model before HP released the backlit keyboard option in their slightly newer DV3t's. I also upgraded from Windows Vista Home Premium 64 bit to Windows 7 Home Premium 64 bit in October 2009.
Anyways, ever since I got my laptop I've had an audio issue. Whenever I turn my volume up to 100%, and I play music or a youtube video through my built in speakers, the audio output gets crackly. I can feel the audio vibrating through my laptop. I have to turn my volume down to around 64% to eliminate only a part of the crackling.
This crackling issue doesn't happen when I listen to audio through headphones or earbuds. But I would like to have clear audio output through my built in speakers.
ON A SIDE NOTE: My brother got a 13" HP Dv3t Espresso Black about a month after mine, and his has a backlit keyboard. When he turns his volume to the max, and plays something through his built in speakers, there is NO CRACKLING whatsoever!
I went to his Speaker settings and found that he has the IDT High Definition Audio Codec installed. I checked mine and it just says Default speakers. That raised a red flag - the fact that I didn't have this IDT codec could be my problem..........
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Jul 26, 2009
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The sound on my HP Pavilion G6-1a19wm is not working. Sound "does" work when using the audio jack with external speakers. I have tried uninstalling the driver, updating the driver, microsoft fix-it, and troublshooting steps. audio device shows in device manager and is supposedly working properly, mute is "not' enabled. visually all audio related things suggest that the audio is fine and troubleshooting finds no problems..
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Jul 23, 2014
I am using HP 2000-2313TU Notebook PC laptop with windows 8 64 bit operating system. From the last few days i am facing some problems in audio..when i am opening my laptop the sound system is working well...but when i am not continuing any audio application( busy in some other work..) and after sometime say 20-30minutes when i am opening any audio or video file it is running without any sound..when i am restarting my computer again audio device works...if i am not using the audio files after opening my computer also this problem happens after sometimes when i play some audio files.
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Apr 5, 2008
I can't get sound through HDMI connection from my XPS M1530 to my TV (Samsung LCD).
Video transfers great but audio still comes through the laptop speakers.
Testing through Control Panel->Sound->HDMI->Properties->Advanced I can hear the sound through the TV speakers, however there is no audio on my TV when playing music, DVD's, videos etc.
The HDMI installed codec is from Sigma Tel.
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Nov 8, 2009
i just noticed when i play movies via HDMI cable from my Z750 to my TV sound is only stereo - 2 speakers!
There is not even possibility to chose 4 or 5.1 speakers in device settings! only 2!
I tought ANY HDMI is capable do transfer also HIGH QUALITY sound (including 5.1 speakers) other then High quallity picture!
Do i need to download something ( like realtek high definition audio) ?
When i use HDMI connection from my desktop computer trough my TV im always able to change number of speakers in settings.
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Jul 11, 2014
My computer went through a standard update, nothing out of the ordinary and all of a sudden my audio doesn't work. I restart my computer and it works for a couple of minutes and then it stops. Ten minutes later it works again and then cuts off and so on, so forth.
Product Number: C8F10AV
Model Number:
I have Windows 8, 64-bit operating system.
I followed the direct HP support website to troubleshoot the problem and it told me to turn the volume up.
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Aug 17, 2014
I have an HP2000 Notebook PC...I have no sound coming from my speakers....
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Dec 15, 2011
I had sound coming from my speakers yesterday, but today none at all. What is going on HP?
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Aug 3, 2010
I have a DV6-265us laptop running MS Vista SP2. Recently, my internal Altec Lansing speakers stopped working. First it was the left speaker, then both. I thought for sure the speakers just died, so I ordered a replacement on EBay and just got and replaced it yesterday. BUT, I still don't have any sound. I can plug in external speakers into the speaker port and they work fine.
Now here is the strange thing. The speaker icon on the status bar is working exactly like it did before. Its not showing any red X or error at all. I can test the sound and the visual looks like its working, but there's nothing coming out of the internal speakers. I've gone to Control Panel, Device Manager and there's not red Xs anywhere. The device driver says its working fine, but I didn't trust it, so I did a HP driver restore and put back the original one that came with the laptop .. .Still nothing.
I've read the troubleshooting articles on the HP Support pages, but nothing has worked so far. My next step is either to replace the audio board or the power button board. I'm not sure about the audio board because I don't know how its tied into the speakers AND plugging in external speakers IS working. It's really a sub board and seems to only have the external ports for the microphone and speakers as well as the infra-red port. The internal speakers are plugged into the power button board and I thought that is where the problem might be since putting in a new internal speaker didn't seem to work. The microphone is also plugged into the power button board, but that seems to be working though.
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It considers a laptop HP 17-e039sb.When it boots the sound is perfect everything runs fine..But when in use for a few hours the sound all of a sudden disappears..You can adjust the settings but no sound comes out of the speakers..When you reboot everything is fine again for a period of time..I installed the latest sound drivers from the hp website and still the problem occurs.
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Jun 21, 2011
Also, this solution doesn't work:"All u need to do, is right click Communication headphones, and click Disable.right click Sound button on taskbar> playback devices now you have speakers and headphones selected as default device, and communication headphones seleted as default communication device."The communication headphones have been disabled, but the speakers still play alongside the headphones.
I think part of the problem is that the playback device is "Speakers and headphones", but I can't split this into two separate devices for the life of me. if I disable "Speakers and Headphones" and enable "Communication headphones", the problem fixes itself and then introduces new problems: certain programs requiring sound output do not work, and the volume-changing buttons on my keyboard don't change the volume.
I have IDT High-Definition Audio CODEC (as a driver?).I can't remember what I did before this happened. I suspect it was the audio driver update, but that's a wild guess.
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I have a HP ENVY M6 Notebook, after I update my PC, there is no sound at all. It shows no speakers or headphones are plugged in. Also IDT High Definition Audio CODEC was disappear. How can I reinstall it?
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Aug 12, 2012
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OS Name Microsoft Windows 8 Release Preview
Version 6.2.8400 Build 8400
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