Facing some audio driver problem

I am using Windows 7 ultimate x84 based

Playing Audio Publisher details

Issues found
Check audio deviceCheck audio device
There might be a problem with your audio device. Detected
Hardware changes might not have been detectedHardware changes might not have been detected Detected
Scan for recent hardware changes Completed


Issues found Detection details

Check audio device Detected

There might be a problem with your audio device.

6 Hardware changes might not have been detected Detected

Scan for recent hardware changes Completed

Scanning might find new devices attached to your computer and install them.


Detection details

Installed audio devices
This file contains the details stored in the registry for all installed audio devices.
File Name: Registry log.reg

Collection information
Computer Name: RAJ-PC
Windows Version: 6.1
Architecture: amd64
Time: Thursday, November 18, 2010 6:13:28 PM

Publisher details

Sound
Troubleshoot problems that prevent your computer from playing or recording sound.
Package Version: 1.0
Publisher: Microsoft Windows
Playing Audio
Play sounds and other audio such as music files.
Package Version: 1.0
Publisher: Microsoft Corporation
Hardware and Devices
Use hardware and access devices connected to your computer.
Package Version: 1.1
Publisher: Microsoft Windows


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