If you are running the Razer Surround software you may experience zero sound in MWO.
If this occurs do the following:
1. Make sure you reboot after the update (
![:ph34r:](https://static.mwomercs.com/forums/public/style_emoticons/default/smile.png)
2. After rebooting open Razer Synapse
3. Click on the Surround tab (You should only see the tab if you have Razer Surround installed)
4. Run the calibration
5. Save the settings
6. Close Razer Synapse (It should minimize to your system tray)
Run MWO. Enjoy your returned sound.