Windows 8: Failed to play test tone

Windows 8: Failed to play test tone

I have an awesome Dell E6530 laptop and it’s been a dream to work on, but since I upgraded to Windows 8 / 8.1 I’ve had problems with a few driver related items. One of these things has been the audio driver. I lost sound completely about a week or two ago...

Solved: You do not have the required permission

So maybe you’ve been bold like I have and installed Windows 8.1. And maybe you want to use the new Hyper-V portion of 8.1 and setup a VM or two to play with. In the process, you discover this great feature called Hyper-V Virtual Machine Connection, which is...