Drivers/Hardware :: Muted Audio After Restarting?

I have a SteelSeries Siberia 650 headset and I'm using their latest drivers/controllers to handle the audio from my computer. The thing is I'm facing a weird problem since then.

Everytime I restart my computer (using the 'Shut down' option and turning it back on), my speakers come muted, just as the image shows:

If I use the 'Restart' option it comes back alright:

Here's an image of my 'Recording devices' tab:

This is how my device manager looks like:

And finally SteelSeries controller:

So far I've tried reinstalling the original headset drivers and I also tried using the 'Uninstall' option under the device manager. None of them worked.