Audio: Realtek_Audio_Win10_V6_0_1_7503
CPU: Intel® Core i5-4590 CPU @ 3.30GHz
GPU: EVGA GeForce GTX 970 FTW+
Mobo: ASUS Z97-E
OS: Windows 10 64 bit
What has been tried so far to try and resolve the issue;
Restarting, verifying the cache
FIX;
https://www.reddit.com/r/fo4/comments/3s56uf/no_sound/