Ho controllato alsamixer ed aumentato tutti i volumi dei diversi canali. installato pavucontrol, non si vede nessun controller per audio HDMI.
Alcuni dati utili:
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01)
Subsystem: Lenovo NM10/ICH7 Family High Definition Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 29
Memory at fe9fc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV610 [Radeon HD 2400 PRO/XT] (prog-if 00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] RV610 [Radeon HD 2400 PRO/XT]
Flags: bus master, fast devsel, latency 0, IRQ 28
Memory at d0000000 (64-bit, prefetchable) [size=256M]
Memory at feaf0000 (64-bit, non-prefetchable) [size=64K]
I/O ports at d000
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon
Kernel modules: radeon
Grazie a chi potrà darmi qualche idea.