01:00.1 Audio device: nVidia Corporation Device 0be2 (rev a1)
Subsystem: Giga-byte Technology Device 34d8
Flags: bus master, fast devsel, latency 0, IRQ 10
Memory at fe9fc000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [60] Power Management version 3
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
Capabilities: [78] Express Endpoint, MSI 00
Судя по этому у Вас не загружен драйвер ядра.
Попробуйте
# modprobe snd_hda_intel