No HDMI sound Windows 10 Thinkpad Yoga 12

No HDMI sound in Windows 10 on Thinkpad Yoga 12. Shows not connected in the sound panel, only video transmits over HDMI but soud plays throught speakers as it does not detect the audo link.

Update: I managed to fix it by using what brillat described here. "The HDMI Audio drivers, for whatever reason, are not installed when you install the Intel video driver. You know they are missing if in your device manager under "Sound" you see "High Definition Audio Device" - you should instead see "Intel(R) Display Audio". Download the video drivers from Lenovo. Extract but do not install. In the extracted folder, find the DisplayAudio folder. Find the "High Definition Audio Device" with PCI ID Vendor 8086 and Device 2807 in Device Manager. Manually update the driver of that device, pointing it to the DisplayAudio folder."

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Lenovo Yoga 2 Windows no hdmi sound

Hello,i have a little problem with my Yoga.If i connect my Yoga with my TV via hdmi, i have no sound (screen works)I hve this problem under Win 8.1 and also with Win 10.Under Sound Options is only the Speaker (Intel SST Audio Device) availabel. Nothing with HDMi Sound or Digital sound.Right Click - deaktivated devices is set.I have checkt the HDMI Cable,it is ok.There is no sound. just video.An driver update doesnt solved the problem.I hope anybody can help me.sorry for my bad english.Best regards H.

You can run some tests from here to check if its a motherboard connection problem -
http://support.lenovo.com/us/en/lenovodiagnosticsolutions/downloads
Could be that just a wire is loose inside the laptop, As you say you are a intermediate/advanced PC user, you can open it up and check for loose connections. Here is the manual link -
http://download.lenovo.com/consumer/mobiles_pub/lenovo_yoga_2_pro_hmm.pdf
Lenovo's warranty can be extended, i believe if you were having issues, you should have extended it. Sorry about the laptop condition now.
My suggestion is to take a look inside and see if it seems like a fixable problem. If not, buy and use external speakers.
I am sure there are no manufacturers who would fix a laptop without being paid if it is no longer in warranty (and problems can happen with any laptop)
Current System - Lenovo Y510P, GT755M SLI, 8GB RAM, 1TB HDD + 24GB SSD
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Thinkpad Yoga: Strange honking sounds and audio/video glitches

WARNING: LOUD VIDEO EXAMPLES
I have a Thinkpad Yoga, type 20CD with Windows 8.1, and when I'm running some white noise to help me concentrate, I get these strange honking noises that are quite disruptive. Even worse is that when I'm trying to watch a video on youtube, the honking noise occurs and this seems to lead to quick stalls in the video as well (note: the major stall in the middle of this video may just have been a bit of lag, I meant to highlight the minor stalls like the one that occurs at around 2 seconds). Actually, it seems that the honking causes the entire system's video to stall (e.g. cursor stalls, clock stalls, etc)
I've found only one other thread dealing with this issue and it wasn't resolved.
Addressing the suggestions brought up in the linked thread:
1) The problem occurs regardless of if I'm using the laptop's built-in speakers or my headphones. I don't see any reason to hook it up to my TV and check HDMI out.
2) Yes, problem persists with headphones.
3) The problem occurs whether I'm using the lowest quality or the highest quality audio.
4) It's the whole system, not just one application.
5) The microphone has nothing to do with it. Enabled or disabled, the problem still persists.
I've updated my audio drivers but this hasn't done anything to mitigate the problem.
Strangely enough, what does help is turning off my WiFi (i.e. Fn + F8). When the honking is occuring, I can switch the wireless card to airplane mode and the problem immediately goes away. I've read somewhere that this may be because of poor grounding on the audio card, meaning that the antenna is possibly picking up radio signals.
Are there any possible solutions to this problem?

cesario85 wrote:
OK The sticky label says SB0240
Here's the screenshot:
[img"]http://www.strikeforceguild.com/temp-images/IRQs.gif" width="640" height="45[/img]
I have since tried putting in a different sound card (another soundblaster, I think a 28 model) and installed its drivers but had the same problems. Im having a go at using the onboard sound though, just to see.Message Edited by cesario85 on 09--2005 06:57 PM
Audigy shares IRQ with IDE controller and firewire controller. This is not good.
NOTE: I suppose you're running your PC on "Standard PC" -mode (since IRQ's >5 not showing). If so, you can try to assign IRQ for the PCI slot, Audigy is installed, manually from BIOS. See your motherboard manual page 4-26.
Can you check if your PC is running as "Standard PC" and not as "ACPI Uniprocessor PC" (Device Manager --> Computer). Make it "ACPI Uniprocessor PC" --> you get more IRQs (virtual) in use.
NOTE: You may need to reinstall OS to get this done.
Also you may need to enable APIC mode on BIOS.
How To:
A) Go to 'Device Manager' a short cut to get there is "Right Click" on the My computer Icon on your desktop (Control Panel --> System --> Hardware),
B) Next click on 'Computer', then double click on 'Standard PC'. Then select 'Driver' and then 'Update Driver'.
C) At this point you will see a screen pop up asking you to do this "Automatically" or Select 'Display a list of the known drivers for this device', - Choose this option.
D) Next you will see - 'Show all hardware of this device class'. Now you can select "ACPI Uniprocessor PC" in the list shown in the window to the right.
E) Now Windows needs/will re-start and re-install all hardware/ settings needed to run in this configuration.
.jtpMessage Edited by jutapa on 09--2005 0:23 PM

Issues with Thinkpad yoga on Windows 7 64-bit

I uninstalled the windows 8.1 that came with my Thinkpad Yoga to installe windows 7 64-bit because there was no support for Power Manager ( a tool that allows you to charge your battery only upto a certain percentage (eg 40%) which helps reduce battery aging when the notebook is mostly operated on AC power).
Doing that required me to fully clean the Hard-disk during the installation process.
I installed almost all of the drivers available on http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-yoga-series-laptops/thinkpad-...
for thinkpad yoga and windows 7 64 bit.
Happily, this provided me the Power manager, and I can use it just as I wanted.
However, all these has brought in additional issues which are listed below:
1. The touch pad right click doesn't work. Only two finger tap works as right click.
2. The touch pad gestures for zoom and scroll doesn't work at all.
3. The screen auto-rotate doesn't work.
4. The touch screen gesture for zoom doesn't work.
I did install the ultra-nav and screen-rotate drivers, but I get error messages regarding synaptics ... not working and also sensor driver not working during the windows startup.
Any help please?
Thank you.

Just when I was happy that major issues have been resolved by constant updating, I am now experiencing this frightening problem. Mostly during startup, and lately in the middle of working, the screen freezes, shows very damaged image (like TV noise), produces the most unpleasant sound through the speakers and nothing works. I need to restart and hope that it will be ok. Sometimes it requires 2 or 3 restarts, going to safe-mode and returning back to get the issue resolved.
This has happened three or 4 times within 24 hrs. I searched in the forum and for another model it was suggested that epresscache might be the cause. I disabled the service, but the problem reappeared even then.
Any help please:
This is what appears on the screen when the computer freezes and produces loud unpleasant noise sound.
Link to image
Moderator note: large image(s) converted to link(s): About Posting Pictures In The Forums

ThinkPad Yoga Synaptics TouchPad Error msg on Windows 7 startup and loss of gesture functions

I fresh installed Windows 7 Ultimate on my ThinkPad Yoga after getting fed up with windows 8.1. I now get the following error msg on each startup and the trakpad features do not work:
"synaptics touchpad 64-bit enhancements has stopped working"
I can use the mouse but non of the gestures work. I have not been able to find any other posts with similiar issues on the Yoga so any help on this would be most appreciated. The device driver installed was taken from the lonovo site and is the "Synaptics ThinkPad UltraNav. Version 18.0.7.34 (N10GX08W)"

Just when I was happy that major issues have been resolved by constant updating, I am now experiencing this frightening problem. Mostly during startup, and lately in the middle of working, the screen freezes, shows very damaged image (like TV noise), produces the most unpleasant sound through the speakers and nothing works. I need to restart and hope that it will be ok. Sometimes it requires 2 or 3 restarts, going to safe-mode and returning back to get the issue resolved.
This has happened three or 4 times within 24 hrs. I searched in the forum and for another model it was suggested that epresscache might be the cause. I disabled the service, but the problem reappeared even then.
Any help please:
This is what appears on the screen when the computer freezes and produces loud unpleasant noise sound.
Link to image
Moderator note: large image(s) converted to link(s): About Posting Pictures In The Forums

Thinkpad Yoga - fan sounds like a plane

In tablet mode (and mostly when the tablet is horizontal) then the fan (I suppose it is the fan) makes some horrible noise. I can't work with it at work in this mode as my colleagues look at me weirdly. When I lift up the screen a bit, then the fan stops in a struggling sound.
I did a video of the issue:
https://www.youtube.com/watch?v=e0Y0hEr3qKc
It's a shame because in latpop mode it doesn't make any sound, even thought the work I do in laptop mode is much more intensive. Would not be for the sound, this is the best laptop I ever had. The keyboard is great, the edges are not sharp, the screen is beautiful, the wacom pen works perfectly. An awesome computer.
Anyone one had this fan noise issue?

Hi,
Welcome to Lenovo Community Forums!
I’m sorry to hear that fan in your Lenovo ThinkPad Yoga is making noise.
If your laptop feels hot and shows any of the problems below, chances are its overheating or getting there:
Fan constantly running and making loud whirring noises
Computer struggling to perform basic tasks like opening a new browser window
Mysterious error messages popping up in random programs
Lines on your laptop screen (a sign your video card is overheating)
System freezing or the dreaded BSOD (blue screen of death)
The laptop abruptly shuts down on its own
First of all, update BIOS to the latest version.
Use dust remover spray to clean out of the laptop's vents. Dust can accumulate in and block the laptop's fan vents. Start using compatible cooling pads which will help in the flow of cool air into the underside vents of the laptop. Keep your working environment or computer room as comfortably cool as possible. Check if the fan is touching some wires during spinning to cause the noise.
Best Regards,
Mithun.
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No sound on HDMI with Windows 7 om Mac Mini 2010

Hi,
i've installed bootcamp (windows 7 64 bit) on a new mac mini. When I turn on power an boot windows there's no sound over HDMI. The windows device manager says that everything is working properly.
Then I boot mac os and HDMI sound works fine in mac os. Then booting windows again HDMI sound is working in windows too. But when I turn of the mac and turn it on again booting windows sound is missing again.
Any suggestions? I updated to the latest nvidia hdmi audio driver without success.

Found a workaround: The problem is not the NVidia HDMI audio driver but the Microsoft HD audio driver / device. If you have no sound over HDMI with your Mac Mini you have to
1) Find out the hardware ID of the Microsoft HD Audio Device:
* windows device manager -> system devices -> High definition audio controller
* right mouseclick -> device properties -> Details -> select HardwareID
2) Use the devcon command line utility to disable and enable the device:
devcon disable "HardwareID"
devcon enable "HardwareID"
And you will have HDMI sound again.

[New Thinkpad Yoga 12 2015] enable Hyper-V feature on Windows 8.1 pro

Hello,
i am a french customer, and i am very interested in the New Thinkpad Yoga 12 2015, especially the version available with Windows 8.1 Pro. and processor Intel Core i7-5500U.
As an IT expert in Database technonlogies, i used to create virtual machines with the 'Hyper-V client' feature available in Windows 8.1 Pro.
- I saw that the Intel Core i7-5500U processor is compatible with the Intel VT-x and EPT virtualization technologies.
- i saw that the Bios menu offers to enable/disable 2 virtualization parameters (link : http://download.lenovo.com/pccbbs/mobiles_pdf/yoga_12_ug_en.pdf)
Do you know if the New Thinkpad Yoga 12 allows to enable the 'Hyper-V client' feature under Windows 8.1 Pro ?
It is very important for me to have this information, because a computer without the 'Hyper-V client' is not usefull for me
So before buying this computer, i have to be sure that it will be able to enable the 'Hyper-V client'.
Thanks a lot for tour reply

Good day.
Please recall that this is a peer-2-peer support community. It's quite possible with the newness of the 2015 ThinkPad Yoga 12 (gen2), that no members with appropriate information have seen your post yet.
From the Community Guidelines:
"While members from Lenovo may participate at intervals to engage in the discussions and offer advice and suggestions, this forum is not designed as a dedicated and staffed support channel."
If you require official Lenovo support, you'll need to contact them directly. I've included the info below.
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Sometimes no sound with HDMI under Windows 7

I'm running bootcamp with windows 7. After booting windows on the mac mini 2010 there is no sound via HDMI. After rebooting the system with mac os the HDMI sound works. After bootin windows again the sound works in windows too. When I shutdown windows and switch power sound is off again.
Maybe its an issue with the nvidia audio driver in windows 7?

Same problem here. Did you ever figure it out?

Thinkpad yoga sound probleme

Hallo,
ich bin eigentlich ein sehr zufriedener Benutzer des Thinkpad Yoga. Jedoch hab ich vermehrt Probleme mit der Sound Ausgabe die manchmal sehr verzerrt (teilweise nur sehr kurz manchmal jedoch auch so lange bis ich das Yoga neustarte).
Kann mir da jemand helfen woran es liegen kann?
Danke schonmal im Vorraus.
Freundliche Grüße
Matthias
Solved!
Go to Solution.

I was having sound issues (cracking and popping) as well issues with audio on WiDi until I stopped the program Discovery.exe using Task Manager. I removed the program Lenovo EMC Storage Connector (which is what is called) using the Control Panel. Since then no more popping and audio issues. No promises that is your issue but it was mine.

ThinkPad Yoga S1 - Windows 10 unknown device

I did a clean installation of Windows 10 on my ThinkPad Yoga S1. After onstalling all drivers I still get followig device missing in device manager:
Unknown Device:Device Type: other devicesManufacturer: unknownPlace: Synaptics SMBus Driver I already installed Synaptics ThinkPad UltraNav Driver 19.0.12.61 from 7/30/2015, so this does not change anything here. What driver is missing and can Lenovo provide it soon?

Also have an S1 with non-functioning palm rejection. The pen worked earlier, but now it no longer functions. It works in that it can calibrate itself in Wacom Pen settings, but otherwise refuses to register. UPDATE: restoring default settings under Wacom Pen settings has reenabled the pen and palm rejection appears to work again. Note: I installed recent Wacom FEEL drivers, which are the drivers that work with this model, among other tablet PCs with Wacom tech.

Actualizaciones windows 8.1 pro Thinkpad Yoga S1

hola , qusiera su ayuda en esta condicion sobre las actualizaciones de windows Update de Windows 8.1 Pro , mi problema es que hace un mes tengo un Thinkapad Yoga S1 y como trae presinstalado Windows 8.1 se bajaron e instalaron actualizaciones por defecto del sistema, pero despues de esta condicion se produjo que el sistema para conectar a internet era muy lento y en algunaas ocaciones no cargaba pagina, comprobe la conectividad en otros computudaroes y era normal en conexion wifi y carga de paginas en internet. restaure el sistema de windows 8.1 de fabrica en el equipo pero para el tema de las actualizaciones lo dehje manual y no he instalado ninguna , favor agradeceria me señalarn que actualziaciones debo instalar y no afecte el rendimiento del equipo y sobre todo en la conexion de wfi e internet.

Hola macontreras15 que tal,
Antes del formateo llegaste a verificar cuales fueron las actualizaciones que se instalaron? a partir de hay se puede observar en especifico que actualización en especifico es el problema y si una de estas actualizaciones son un caso genérico relacionado a tu problema, disculpa todo el rollo pero no tengo una Thinkpad yoga y no podría segurar que alguna actualización sea la culpable.
Lo que si podría ser y es poco regular una actualización relacionada a la WIFI de tu ordenador, en ese caso se debería intentar con la versión el controlador que tenias antes de dicha actualización, porque quizás la versión actualizada de ser el caso puede ser el problema.
Un saludo.
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Thinkpad Yoga BIOS Update Problem after installing Windows 10

Hi all, I've been reading tonnes of threads here trying to solve my problems (which seem to keep getting worse) to no avail. I'm reaching out to anyone that can suggest some help before I end up bricking my yoga by accident or running it over on purpose. I'll give you a timeline of the events. The machine in question is a Lenovo Thinkpad Yoga 12.5" 20CD-0032USIntel Core i5 4200U 1.60GHz Processor4GB Ram128GB SSDWindows 8.1 64 Bit preloaded (recently upgraded to Windows 10) So the saga begun just a short two days ago. I had some spare time at home and decided to download and install my free upgrade to Windows 10. I backed up all of my important documents etc to OneDrive as I intended on performing a clean install. Said clean install went flawlessly with Windows 10 installing the first time with no issues or errors. Since I had performed a clean install, all my previous apps, including the stock Lenovo apps, had been deleted. I had anticipated this and only really desired to reinstall the app that automatically adjusts the screen orientation when folding the cover back. So in an effort to find this app and any Windows 10 related updates that may be available I went to support.lenovo.com and used the handy Lenovo Bridge app to automatically detect my hardware and suggest relevant updates. While combing through the suggested software I noticed a BIOS update that noted added support for Windows 10. How great, I thought, that Lenovo would have a BIOS update ready so quickly once 10 became ready for mass consumption. I went ahead and downloaded the exe version (not the bootable CD due to the lack of CD drive on the Yoga) and ran the BIOS update. As I ran the update the laptop was plugged in, and no errors were presented, a success message appeared and indicated a reboot was necessary, after a couple seconds the system rebooted itself. Enter nightmare level 1. As soon as the system rebooted, I fired up IE about to look for more updates and......BSOD stating that there was and issue with a driver, after another reboot BSOD again with a completely different file name stating driver file missing or corrupt. Sorry I didn't write any of the file names or errors down. At this point I'm thinking that something is not jiving here between the BIOS and OS. So I tried running repair, and recovery and each time I would end up with a BSOD of some design. It was at this point I made a USB with the Windows 10 x64 ISO from Microsoft in an attempt to run the repair utilities from the USB. Again to no avail. Enter nightmare level 2 After attempting multiple tries at recovering Windows 10 and getting multiple BSOD's through the process I decided to use my Windows 10 USB to simply reformat my hard drive to eliminate any traces of my now apparently corrupt OS and do a fresh install of Windows 10. This appears to have been a significant error on my part. Now I have no OS (BIOS is still intact so at least I think I have a not-bricked motherboard) and everytime I try to boot Windows 10, or 8.1 for that matter, from a brand new USB stick I get constant BSOD's.Sometimes I get as far as the Preparing installation files 22% but am interrupted by a BSOD error at some point. So I am pleading for some help here. To me it seems like the BIOS update was the issue. I was not smart enough to have checked the BIOS version before updating so that I would know what to roll back to safely. What would you all recommend for a rollback and how do I go about doing one with no OS on the machine. I know I'm asking for a tl;dr here but appreciate any advice offered. I really dont want to get to nightmare level 3, which I guess would be a bricked laptop and a bill for a new motherboard or laptop. The BIOS I currently have is GQET45WW (1.25) -Garrett

Thanks for the reply ColonelONeill, It turns out that Lenovo uses an obscure PERL disk image called "eltorito". As such the directions in the link you provided did not work as most common tools (WinZip, 7zip, and WinRAR) cannot extract the image file from an eltorito iso file. I instead just bucked up for a $50.00 Asus USB CD drive and burned the iso for version 1.25 and 1.24 onto discs. I then disabled the setting in the BIOS that prevents rolling back to a previous version and flashed to 1.24 from the disc. While this appeared to go successfully, as soon as I tried to boot from my Windows 8.1 CD I start receiving BSOD's again during installation. I then used the CD with 1.25 to go back to where I was in case it was simply a bad BIOS update at the time. Most of the BSOD's are driver related (qlfcoei.sys) which I don't understand since there is no OS other than what is on the bootable CD (or USB I've tried both) Is there anyone with a stable install of Win 8.1 x64 or 10 x64 running on a 20CD0032US that can tell me what version of BIOS they are running? My next step is to go back to a version that someone else can verify is working. Thanks again for any help.

Windows 10 killed my Thinkpad Yoga 14's keyboard

That's good to hear.
At this point, how these legacyish and low-level BIOS updaters interact with the brand-new and really different Windows 10 is unknown. That and especially in cases where Windows is buggy or unstable, it's safer to use a bootable option.

Did you update your BIOS before upgrading to Windows 10? There's an entry that vaguely says "Core update to supprot windows 10."
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-yoga-series-laptops/thinkpad-yoga-14/downloads/ds101225
At this point, I'd recommend using the bootable ISO instead of flashing from within Windows:
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-yoga-series-laptops/thinkpad-yoga-14/downloads/DS101227
Which you should be able to put on a flash drive instead:
http://www.thinkwiki.org/wiki/BIOS_Upgrade#Booting_from_a_USB_Flash_drive

Clean reinstall Windows 8.1 on Thinkpad Yoga

Hello,
I have been having a large amount of trouble with my Thinkpad Yoga in that I have not been able to access the majority of the applications for a while. I have tried solving the problem, however after a number of failed attempts, I decided I would rather get rid of the bloatware anyway and do a clean re-install.
However, I am unable to perform a clean reinstall as no media came with my purchase. Where can I get a copy of windows 8.1 to perform a clean reinstall?

I would think the described methodology to create recovery media and reload a Lenovo Think system with Microsoft Windows 8 preload is clear enough?
http://support.lenovo.com/en_US/downloads/detail.page?DocID=HT076024]

No HDMI sound Windows 10 Thinkpad Yoga 12

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