realtek alc88x solution found

Ok, finally got it. Not very elegant, but it works for me at least.
But here's the story first, as it may not work for everyone: 1. I discovered that my old Realtek drivers from April (5254) installed properly on Vista x64. No more red x next to the speakers! But sound playback was very distorted. Hmm I thought. 2. I took the following driver files from the x64 Vista released by Realtek a while back(5252) and overwrote the same files from the 5254 installation. Here are the files: CPLUtl64.exe RtlUpd.exe RtlUpd64.exe RtlCPAPI.dll RtkHDAud.sys RTKHDA64.sys RTCOMDLL.dll
Probably not all of these are needed, but who cares about figuring out the exact subset when it is already working!?
3. I think discovered that this worked with the newest 5257 build. So basically, it is the inf files in the Vista setup package that is broken and not the drivers themselves. This might be because the 5257 and 5254 inf files are digitally signed while the Vista package's is not.
So basically, to recap, copy the above listed files from the Vista WDM folder and overwrite into the current x64 drivers for XP 64 from Realtek.
New Vista drivers from Realtek for 64 bit is expected soon ( this is just my speculation ) as they just put up new 32 bit drivers for Vista today.

"OCedHrt" wrote:

Ok, finally got it. Not very elegant, but it works for me at least.
But here's the story first, as it may not work for everyone: 1. I discovered that my old Realtek drivers from April (5254) installed properly on Vista x64. No more red x next to the speakers! But sound playback was very distorted. Hmm I thought. 2. I took the following driver files from the x64 Vista released by Realtek a while back(5252) and overwrote the same files from the 5254 installation. Here are the files: CPLUtl64.exe RtlUpd.exe RtlUpd64.exe RtlCPAPI.dll RtkHDAud.sys RTKHDA64.sys RTCOMDLL.dll
Probably not all of these are needed, but who cares about figuring out the exact subset when it is already working!?
3. I think discovered that this worked with the newest 5257 build. So basically, it is the inf files in the Vista setup package that is broken and not the drivers themselves. This might be because the 5257 and 5254 inf files are digitally signed while the Vista package's is not.
So basically, to recap, copy the above listed files from the Vista WDM folder and overwrite into the current x64 drivers for XP 64 from Realtek.
New Vista drivers from Realtek for 64 bit is expected soon ( this is just my speculation ) as they just put up new 32 bit drivers for Vista today.

I am having sort of the same problem. I get the drivers to load properly, but no sound. Drivers are getting a signal, but no sound output. I downloaded the latest 32bit driver and still nothing.

Check if the Realtek analog output is selected. If you are connecting ALC88X to analog speakers you can have no sound when digital output is selected. See your sound device property in the control panel.

I am having sort of the same problem. I get the drivers to load properly, but no sound. Drivers are getting a signal, but no sound output. I downloaded the latest 32bit driver and still nothing.