Fix No Sound After Installing Windows Update

The following article will help you solve the NO Sound Problem when your most recent update has corrupted your sound driver or some thing like that. If you are sure that your sound card worked just prior to the recent update then you can try System restore.

Windows automatically creates restore points when you would typically need them most. System Restore's purpose is to return your system to a workable state without requiring a complete reinstallation and without compromising your data files. Read more to know how to restore your system to the earlier date: http://www.bench3.com/2010/08/using-windows-system-restore.html

If you want to experiment with the issue you can try the following issues to troubleshoot.

You may run the troubleshooter (Playing Audio Troubleshooter) as stated below and check if it helps resolve the issue.

Method 1: Audio troubleshooter:

If your computer is having problems playing sound, try using the Playing Audio troubleshooter to fix the problem. It checks for common problems with your volume settings, your sound card or driver, and your speakers or headphones.

Open the Playing Audio troubleshooter by clicking the Start button , and then clicking Control Panel. In the search box, type troubleshooter, and then click Troubleshooting. Under Hardware and Sound, click Troubleshoot audio playback.‌ If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

Method 2:

I would suggest you to check if you have the latest sound drivers installed. Try uninstalling your sound device completely and then reinstalling the sound drivers.

Check if you have any exclamation mark or cross marks alongside the display devices listed in device manager. If you do have then there is issue with the driver installed.

• a. Click Start, and then click Control Panel.
• b. Click System and Maintenance, click System, and then click Device Manager.
  Note If Control Panel is in Classic View, double-click System, and then click Device Manager.

If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

• c. In Device Manager, expand the category sound, video and game controllers, and then click properties and under the driver tab click on Uninstall.
• d. When you are prompted to confirm that you want to remove the device, click OK.
• e. Restart the computer.

After the computer restarts, the drivers will be automatically installed. Check after this procedure.

You may also refer to the below link and check if you get any updated drivers for sound. You may even try downloading the latest drivers from the manufacturer website and check -

http://windows.microsoft.com/en-us/windows7/Update-a-driver-for-hardware-that-isnt-working-properly

If none of the steps work for you, browse your manufacturer website to obtain the new driver for their device and try to install them manually.