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Problems with audio after Parallels 4.0 Upgrade

  • Parallels Desktop 4 for Mac Standard Edition
  • Parallels Desktop for Windows & Linux


After upgrade from Parallels version 3 to version 4 audio devices are not working any more. The following error is displayed:

"Bad Directsound Driver. Please install Proper Drivers or select another device in configuration. Error code 88780078"


Please, perform the following operations:

- start your virtual machine,
- click on Start -> Control Panel -> System -> Hardware tab -> Device Manager,
- right-click the "Sound, Video and game controllers" node and select "Scan for hardware changes".

Most probably a missing multimedia audio driver will be found. Please, install it.

NOTE: you might need to insert the Windows installation CD to install the driver.

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