The affected driver will be named Conexant ISST Audio or Conexant HDAudio Driver under Sound, video and game controllers in Device Manager and have file name uci64a96.dll through uci64a231.dll and a file version of 7.231.3.0 or lower. Windows 10 devices with affected Conexant ISST audio driver might receive an error or experience issues while installing the update or after the device has updated.

Synaptics and Microsoft have found incompatibility issues with certain versions of drivers for Conexant ISST audio driver and Windows 10, version 2004 (the Windows Update). The affected driver will be named Conexant HDAudio Driver under Sound, video and game controllers in Device Manager and have versions 8.65.47.53, 8.65.56.51, or 8.66.0.0 through 8.66.89.00 for chdrt64.sys or chdrt32.sys.

Windows 10 devices with affected Conexant or Synaptics audio drivers might receive a stop error with a blue screen during or after updating to Windows 10, version 2004. Synaptics and Microsoft have found incompatibility issues with certain versions of drivers for Conexant or Synaptics audio devices and Windows 10, version 2004 (the Windows Update). Microsoft says several Conexant drivers have issues with Windows 10 2004/20H2. This incompatibility is likely related to several Audio drivers from Conexant or Conexant ISST, which your device uses. In that case, this means the newer releases of Windows, like version 2004 and 20H2, are not compatible with your device. Once it’s ready for your device, you’ll see the update available on this page”. Suppose Windows update Settings for your device says something like, “The Windows Update is on its way.

Try to update to a newer Windows 10 release manually.įix Your version of Windows 10 would reach the end of Service error.

If no new Audio drivers are available, remove the existing drivers, disable the Audio device.

Check for updated Conexant drivers from the computer manufacturer.

Check if your device uses Conexant Audio drivers or Conexant ISST.

Microsoft hd audio fix