Realtek AC97 Drivers Not Installing

Oct 23, 2009

So i installed windows 7 late last night (from xp Pro) and everything seemed to work fine but these audio drivers (seems to be a common enough issue as far as i can tell)

I've downloaded or installed 3 versions of the drivers. The ones that came with the MotherBoard(Abit IL9 Pro) disc, but it gives me an "error -001"

Second I located these "Windows 7 and vista drivers" from their site showing versions 6505 and 6503 - Both of these gets stuck on a screen that says "These drivers cannot be installed because they are no digitally signed" And it just loops when i try clicking on "install anyway."

Last i tried running them from the run menu with string attached to the end (silent install i think it was called) same digitally signed message again.

Any ideas?


Boston 735 USB Speakers With Realtek AC97

Jan 2, 2010

Step 1 - locate and save file 7507807.exe or search for the "BA735 USB" driver which contains all the Boston Human Interface Device drivers. Run the file and save the files somewhere useful and easy to find on your PC.

Step 2 - go to Device & Printers; right mouse click your PC's icon and choose Device Installation settings. Choose No and Never .... I like to call this turn off the MS knows best switch. Save changes etc.

Step 3 - Install the BA735 USB speakers to the USB port you intend to leave it on.

Step 4 - Windows 7 should now try to load the driver. Because I didn't do in this order not sure of how this works, but make sure Windows 7 goes to the %7507807CABSWIN2KINF folder and you should see the BAUSBHID.inf driver file. Install this one and none other. If all works the HID entry in Device Manager WILL say "Boston Human Interface Device". You may hahve to reboot after this.

Step 4B (how I got it to work) was to Select the first "USB input Device" from the Device manager HID section. Then choose which driver to install as in the steps above. It must be from the WIN2KINF folder.

Step 5 - In the "Sound" option in control panel make sure the Boston USB AUdio Device is set as the Default Device. Have something playing to test it out, I still had speaker connected directly to the sound card and this just swapped the sound from them to the Boston ones. Voila!

A similar process to this will get these same speaker working in XP.

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These are the only drivers I've had trouble with, and I was wondering if someone could give me directions on exactly how to install the drivers. No one else seems to have had trouble installing them, so I must be doing something wrong.

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i didnt even touch the default configuration of the ethernet card!

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in Windows 7 Realtek HD Audio Drivers

I think I have found a solution to this.

I recently had problems my self.

First you have to install this, from Intel: Intel® Desktop Board D910GLDW Audio: Realtek* ALCxxx Driver

Second, install the latest drivers from Realtek, R2.22. I uploaded the zip file to filefront, as their ftp server is running by mouse power. Download File

I hope it will work. for you. I had a lot of trouble finding the solution. Everything has to do with Intel's high definition codec that for some reason Realtek choose not to include in their driver packages.

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is does anyone have any idea if there is another fix for this. I'm using the latest driver from realtek althouh i let windows try and fix it and it reverted back to the previous version. if anyone knows of a driver package that works for sure that would be great.

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If you have the following symptoms when reinstalling windows 7 RTM with the realtek audio:

- No Realtek icon in the taskbar

- Cannot active the realtek driver window from control panel.

- The windows audio playing devices do not show up when requested...


For some reason, the realtek driver or Windows 7 RTM are not compatible anymore with RTM got released.

The problem is not with the driver, however, but with User Accounts Management security settings.

Install the latest driver from Realtek, which you find on the The version of the driver currently is 235.

Then, disable UAC through Control Panel -> System -> Change User Account Management, and reboot.

You'll notice now that the Realtek driver taskbar icon (the brown luidspeaker) shows up in your taskbar. Good news.

Click on the taskbar icon, and the RT driver windows shows up. In this window, you can change the driver operating from Stereo to 5.1.

Clearly, some things are wrong with audio in RTM. Because you cannot open the audio play devices dialog through the windows luidspeaker icon and right clicking the option from the menu.

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I don't know what to do. both the internal speakers and the headphones are not working. but the symbol for audio says it is working just fine.

what could be the problem?

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Dec 31, 2009

According to my friend these driver wont work on windows 7, which they haven't.

So my question to you is where can i download the drivers for the audio device in my mobo

Realtek RTL8168D/8111D

The main reason for wanting this is i can stereo mix.

One more thing to mention is that i did try the sound drivers off of EVGA's website. they aren't the realtek ones from the disk. My disk is broken and the drivers on the disk from what i know wouldn't work anyways. I was told by a friend to download them from somewhere else.

EVGA X58 classified

Thank you to anyone who can help me out. usually it's not that hard to find drivers but the realtek website is hard to navigate AND for some reason i can only download 4 kb/s and the download times out.

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Sep 9, 2012

I was originally having problems with Realtek HD Audio Manager properly operating my front panel audio jacks, so I attempted to update my audio drivers using the ones found on Realtek's website (2.70). After restarting, my computer has failed to load and locate the new drivers and in the task bar, the usual volume icon has a red and white X; mouse-overing brings up the message "No speakers or headphones are plugged in" (despite my speakers being plugged into the proper lime analog jack on my motherboard). Opening the Sound window from my control panel shows that there is only one option under playback devices: AMD HDMI Output, which it shows as not plugged in.

There is no analog speaker present, even with both "Show Disabled Devices" and "Show Disconnected Devices" checked by right clicking on the window. Within my device manager, under the 'Sound, video and game controllers' heading, there is only the AMD High Definition Audio Device. Under the 'System devices' heading, the only relevant devices are two High Definition Audio Controllers, one of which has a yellow caution symbol. Within the properties, under 'Device status', it displays "This device cannot start. (Code 10)". Both it and the working High Definition Audio Control point to the same driver, hdaudbus.sys.

In summary:
- No sound out of speakers.
- Sound icon in desktop taskbar says "No speakers or headphones plugged in" despite plugged in speakers
- Realtek HD Audio Manager does not open on system startup
- No analog sound present in Control Panel > Sound > Playback
- Two High Definition Audio Controller devices present in device manager, one with an error symbol, both pointing to the same windows (not realtek) HD driver
- No analog sound devices present in device manager
- Possibly incomplete install of Realtek Drivers upon reinstall attempt - installed files do not load when opened.
- No Rtlcpl.exe program present.

Steps already taken:
- Installed most recent version of Realtek HD Audio Codec (2.70) from realtek's website
- Redownload and reinstall of same drivers
- Download of Realtek HD Audio Codec (2.65 I believe, I'd have to uninstall to see)
- Redownload and reinstall of same drivers
- Extraction of files from .zip version of 2.70 drivers, unable to point to these drivers.
- Cleaning of registry (working on hunch that uninstalls of realtek drivers have lead to registry items being left that are preventing proper reinstall)
- System restore to week before the problem (loads original drivers, problem is still present)
- Removal of RTKVHD64.sys from c:WindowsSystem32drivers (was present after uninstall. I believe it was a remnant from the old system restored drivers, which couldn't be uninstalled due to missing registry files. File still remains outside of drivers folder as a backup)
- Ensuring integrated audio is inabled within the BIOS
- Update of BIOS
- Update of motherboard chipset.

Relevant System Specs:
OS: Microsoft Windows 7 Professional (64 Bit)
Motherboard: Intel DP55WG
Video Card: AMD Radeon HD 6800 Series

Hunches I have:
Something to do with hdaudbus.sys - old related problems dealing with the AC'97 realtek drivers with respect to Win XP mention windows' UAA Bus Driver, which is what this is. Something in my registry is preventing me from installing Realtek properly. Maybe I need to give the full .zip a try again? Maybe I need to repeat these steps in safemode? I've been trying everything through normal installs and restarts. Try to find original driver disk from motherboard. (Having no luck with this). Last resort is reformat of C: drive.

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