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Audio Driver Under Windows Driver Kit 7.0


We have developed bt878 audio driver by ourselves. The driver is developed in wdm stream driver framework. It works ok under windows xp. And we can find out the audio device in audio capture source by graphedit. But, it can not work under windows 7. The audio device can not be found out in audio capture source by graphedit.could you let us know how to fix it when porting it from windows xp to windows 7?

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Xpc 802.11 B/g Wireless Kit Driver Problem

Xpc 802. 11 b/g wireless kit driver - this device cannot start. (Code 10) on windows 7 whilst trying to install usb wireless dongle. Have tried updating drivers via windows update and update drivers but still the same message.

I've just installed windows 7 onto a brand new system and cannot get my usb wireless dongle to work. In device manager i get a code 10 error that the device cannot start. I've tried updating the drivers and using windows update but this has not worked.


Posted On: 2009-10-17 . View Related Posts . . View 3 Replies .

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Posted On: 2010-08-13 . View Related Posts . . View 2 Replies .

Realtek Audio Driver Error 10

Conexant cx20468 @ intel 82801fbm ich6-m - ac'97 audio controller [b-2] pci so basically thats
My audio hardware on this laptop, i dl realtek (it should be i cant remember if it was realtek) but it came with a error 10 it can't start. Other people say its conexant driver but non of them install it it always says istall failed. Now i found a interesting thing 

1. Install realtek audio driver (wdm_a380 or wdm_a381, doesn't matter).
2. Reboot
3. Download and try to install the conexant ac 97 audio driver. You can get the one from gateway (d00245-001-001 driver), or any other manufacturer that uses this chip in the notebook. Pay attention to where it stores the files. For instance the gateway driver uncompresses to c:cabsdirectory name.
4. Go to device manager, find the realtek ac 97 audio item under sound, video, and game controllers. Right click on it and select update driver
5. Select no if it asks to connect to windows update, click next
6. Select install from a list of specific location and click next
7. Select dont search. I will choose the driver to install and click next
8. De-select show compatible hardware.conexant should show up under manufacturer since you tried to install the driver earlier.
9. Click on conexant on the left, then select conexant ac-link audio on the right and click next the driver will install. It may ask you for the location of some files, point it to the directory the conexant driver uncompressed to in step 3.
Reboot, and you should have working audio!

It nearly worked my audio driver seem to be working, when i clicked on the sound to regulate the sound it showed that the sound driver was getting the sound, but nothing was coming out of the laptop(i tried regular ones but still nothing. Is there a simple driver that i could just install and it works or do i have tot to something harder to get it work. Btw i have windows 7 and i doesn't find any updates for it.


Posted On: 2009-12-09 . View Related Posts . . View 3 Replies .

Audio Driver Uninstalled By Accident

I have a very serious problem that just happened to me a couple days ago. I saw that there was an update for my audio driver, so i uninstalled my current driver and attempted to install the new one. However, the new driver fails to install whenever i try, and gives me the error "install realtek hd audio driver failure [error code: 0x000005b3]i have thought about system restore, but my system restore points don't go as far back to the time when i still hadn't uninstalled the drivers, so that's not a solution anymore. Ny driver installer i download off the internet gives me the same error as above whenever i try to install it.

Since i have no audio drivers, i have no sound, and the sound icon says no audio output device is installed when i put my mouse over it. Please help without sound, i think i'm going to have to resort to reformatting my whole computer if there aren't any solutions.


Posted On: 2010-05-28 . View Related Posts . . View 4 Replies .

Nvidia Hdmi Audio Driver Problem

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Posted On: 2009-10-31 . View Related Posts . . View 6 Replies .

Unable To Install Realtek Hd Audio Driver

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Posted On: 2010-01-16 . View Related Posts . . View 2 Replies .

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Posted On: 2009-11-11 . View Related Posts . . View 3 Replies .

Asus P5vd2-mx Motherboard Audio Device Driver

Audio device driver required - windows 7 64-bit - asus p5vd2-mx motherboard - cpu: socket 775 - audio device "unknown". Ok, as the title says, i need the correct windows 7 64-bit driver (fyi. Asus do not have any win7 drivers for my board except for bios flashers)
 
Previous: new computer (to me its new, it was my brothers) worked fine for him but came with all drivers pre-installed (he also used win7 64-bit)
 
I formatted the drive and re-installed win7 64-bit. It showed the device as working including in the device manager, however, no matter what i did i got no sound. I tried to find drivers online and found one saying it was the win7 64-bit driver, it installed fine but had to reboot to finish the install, o nreboot it gave an error as i logged back in (cant remember what it was now) and now there is no device showing up at all anywhere not even in device manager and not even showing "unknown device"
 
I have been to asus website and tried the win vista 64-bit audio driver for my motherboard and it says it is not compatible.

Note: i have been through the entire faq on the asus website and they have no useful information what so ever, as with the forums.

Note: have also checked in playback devices panel and shown disabled hardware. Still nothing
I have tried using sis software "sandra-lite" and it cannot detect any audio devices
 
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Posted On: 2010-04-08 . View Related Posts . . View 2 Replies .

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I got a windows 7 ultimate 32bit ( upgrade from windows vista home premium ) and the audio driver : idt hd sound, for my laptop " hp pavilion dv6 1215 " has a compatibility problem with the new windows

Posted On: 2009-12-01 . View Related Posts . . View 2 Replies .

Win 7 Keeps Installing The Default Not Working Driver For Audio Hd

I have a problem with realtek hd audio driver in windows 7 pro x64. My audio is an integrated sound card realtek hd (realtek alc660 6 channel codec) on asus k8v-vm se motherboard. Fresh after an installation of windows 7, it installs its default hd audio driver and says, that it is working (in device manager it says, that the device is working properly), but in the playback devices list (in the system tray speaker icon menu) there is no devices, so eventually there is no sound.

There is no problem, since realtek has its own drivers for win7 x64 available, which are working just fine (ver. R 2. 39 at the moment). The problem is, that after every single start of the computer, windows installs back its own default drivers, that as i've already said are not working. The curious part is, that it does not recover them after restart, but only after turn off and on.

I think, that the problem lies in the fact, that realtek's drivers are not certified, and the ms drivers of course are. I think, that windows is choosing the latter, because it believes that they are safer (realtek's workin¬-certified drivers vs ms's pseudo-working&certified drivers).

Have someone any suggestions how to make win7 stop installing the faulty drivers? Installing the proper ones on every boot is not very convenient.


Posted On: 2009-12-25 . View Related Posts . . View 3 Replies .

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Posted On: 2010-05-25 . View Related Posts . . View 10 Replies .

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Posted On: 2009-05-18 . View Related Posts . . View 5 Replies .

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Posted On: 2010-08-10 . View Related Posts . . View 4 Replies .

Asus P5ad2-e Audio Device Driver Not Properly Installed

I did a clean install of windows 7 on 2 identical computers with the asus p5ad2-e motherboard. Both have the same problem: a message "no audio output device is installed". Letting windows try to solve the problem then results in an attempt to reinstall the device driver, which fails with the message "high definition audio device has a driver problem". Nothing i tried so far (uninstalling the driver, manually installing a realtek driver for windows 7) has worked.

Posted On: 2010-05-22 . View Related Posts . . View 4 Replies .

Microsoft Win 7 High Definition Audio Device Driver

Microsoft windows 7 high definition audio device driver wrongly swaps c sub and rl rr audio jacks. This is a really bizarre thing that is driving me up a wall. I ran windows xp media center edition 2005 on my hp m1050y and the device ran as expected for years.

Then, i upgraded to windows 7 and my rr speaker emits sounds that are supposed to come from the subwoofer.conversely, the subwoofer emits sounds that are supposed to come from the rr speaker.

I also noticed that the speakers properties dialog displays the wrong colored jacks in the jack information section. C sub should be orange and rl rr should be black. However, on this dialog the c sub is black and the rl rr jack is orange.

Rolling back to windows xp fixes the problem. Installing newer realtek drivers for windows 7 fixes that problem but makes it so that i cannot control the headphones and rear l r speaker jacks independently, and cannot hear the headphones without turning up the speakers' volume.

Hp does not offer an updated driver for this device for windows 7. I have also done a strange thing and installed and run mac os x on this machine just to test the audio and even in that os the speaker jacks work correctly, just as they did in windows xp media center edition 2005. The problem definitely is in the windows 7 version of the driver for this device. From what i have read it appears to have also been in the vista version of the driver.

Does microsoft have a hotfix available that addresses this problem? Or, is there a way to swap the jacks in the driver? The chipset is the alc880.

I do not want to manually swap the plugs and jacks as this will not work for any other os i might also boot on this machine. Installing the generic realtek driver also is not an option as i need to be able to have separate control over headphones and speaker volumes.

I need maximum interoperability between operating systems as well as independent control of front and back green audio jacks. No other operating system, including older windows operating systems, have these jacks wrong but vista and windows 7. Anyone know of a solution or of a registry tweak i can do which will swap the jacks in the driver itself?


Posted On: 2010-03-15 . View Related Posts . . View 15 Replies .

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I attempted to upgrade my driver to it's most recent version through the hp website, but after installing the driver, it says that my "digital signature" cannot be verified. (Code 52). Hp offered no support, neither did the manufacturer of the driver, idt.

Driver
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Posted On: 2009-11-01 . View Related Posts . . View 2 Replies .

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Posted On: 2009-10-13 . View Related Posts . . View 4 Replies .

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Posted On: 2010-05-06 . View Related Posts . . View 3 Replies .

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