Did you perform a "clean" install, or did you take the upgrade route?
Just a note to all posters who are having problems.
In order to troubleshoot your problem we neede to know more detailed specs of your system hardware.
Five choices
1. Go to Start > Run, and type msinfo32
2. Go to Control Panel > Device Manager and look for any entry that has a yellow flag beside it
3. Download
|MG| SIW (System Info) 2009.5.12
4. Download
|MG| SIV (System Information Viewer) 3.36
5 Please fill out your computers specs in the User Control Panel here on the site as well. It will then appear next to your name. look at my posting and you'll see the drop-down arrow.
In your lparticular post we need details on your sound card.
exact...