Restored sndvol32.exe from WinXP installation disk. Checked Windows Audio Service, restarted it and made sure it starts automatically on windows startup. Since sound loss was systemic, I checked BIOS and it had sound disabled, so I enabled it, but suspect this is for intergated motherboard sound. 'Hardware' tab has all devices enabled and working properly. If Acrobat 3D 7 is currently installed and you install. (1486561) Ceative Suite 3 will automatically remove Acrobat 3D (versions 7 or 8) when installing. 'Audio' & 'Voice' tabs, have SB X-Fi Audio selections as default devices. When installing Creative Suite 3 Design Premium, Design Standard, or the Web Premium edition, Adobe Acrobat 7 and Acrobat 3D 7 will be deleted without deactivating the electronic license. Open the Classic Volume Control download page. All you need to do for this method is to download, extract, and run Classic Volume Control as follows. That app, as you might guess, restores the old Volume Mixer icon on Windows 11’s system tray. On Volume tab, the 'Device Volume' & ' Speaker Settings' areas are greyed out. If you want to restore Volume Mixer on the system tray, check out the Classic Volume Control app. Opened 'Sound and Audio Devices Properties' control panel.

Went to Creative & Nvidia and got latest drivers and installed OK. Tried to go back to the restore point, but system said that there was a problem and it could not restore my system to the restore point and no action was taken.

Lost audio & screwed up video, speaker icon in system tray disappeared. Created system restore point, then installed audio & video drivers from Microsoft Update.

Creative volume control panel for vista