New Build FM2-A75IA-E53 - No (analog) sound on Speakers

New build:

MSI FM2-A75IA-E53 motherboard
AMD A10-5700 Trinity 3.4GHz (4.0GHz Turbo) Socket FM2 65W Quad-Core Desktop APU
G.Skill Sniper DDR3 1866MHZ (PC14900) 8GB Memory Kit (2 x 4GB)
Western Digital WD Blue WD10EZEX 1TB 7200 RPM SATA 6.0Gb/s 3.5" Inte...