I tried a test on my machine with some interesting results. Microsoft WINMM WDM Audio Compatibility DriverĪpart from that, all his other audio devices (including the SigmaTel) are the same as mine.ĩ. His audio is still working so I compared the Sound devices in the device manager using the option Show Hidden Devices and he had 3 extra sound devices that do not appear in my list. I went to a colleague with the same notebook and exactly the same original setup as mine. However, when I perform the DirectX test on the Music Tab with the port "SigmaTel C-Major Audio" then I have music playing and the message:ĭirectMusic test results: All tests were successful.Ĩ. Check whether your sound card is installed and working properlyĭirectMusic test results: Failure at step 6 (Activating the IDirectMusicPort): HRESULT = 0x88780078 (No driver)ħ.
#SIGMATEL AUDIO DRIVER WINDOWS XP DRIVER#
Music Port activation failed because there was no sound driver found. On the Music tab of the DirectX Diagnostic Tool, when testing using port "Microsoft Synthesizer", the following message was displayed: When I open the SigmaTel C-Major Audio properties from the device manager and go to the properties tab, if I open the properties for the Audio Devices, Midi Devices and Instruments or SigmaTel C-Major Audio, then it gives the status:ĭriver is enabled but has not been startedĥ.Ěfter launching the DirectX Diagnostic Tool and going to the Sound tab and pressing the Test DirectSound button, the error message:ĭirectSound test results: Failure at step 3 (DirectSoundCreate): HRESULT = 0x88780078 (No driver)" was displayed.Ħ. The selection options are defaulted "No Playback Device", "No Recording Device" and "No Midi Playback Devices"Ĥ. When I open "Sounds and Audio Devices" (from control panel) all items are inactive in the Volume tab, Voice tab and the Audio tab. No Audio Mixer is available, no volume control, etcģ. No audio from any audio player, only computer beeps on dialog boxesĢ. In a nutshell, these are the problems that I have identified:ġ. I rolled back the driver and now have no audio at all.
After that the audio playback was distorted, skipping and cracking.
#SIGMATEL AUDIO DRIVER WINDOWS XP UPDATE#
I performed some driver updates together with a bios update last week. I am using a Dell Latitude D610 notebook with Windows XP SP2.