This output from an Alsa debug script indicates Alsa has no clue about the sound card. Didn’t load a driver for it.
Did not recognise the card. Did not load a module. If I could find the card data, the module data, the module
location.
!DMI Information
!!---------------
Manufacturer: Acer
Product Name: Aspire 5600U
Product Version:
Firmware Version: P11-A3
!!Kernel Information
!!------------------
Kernel release: 3.16.6-2-default
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version:
Library version:
Utilities version: 1.0.28
!!Loaded ALSA modules
!!-------------------
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
ESound Daemon:
Installed - Yes (/usr/bin/esd)
Running - No
!!Soundcards recognised by ALSA
!!-----------------------------
!!PCI Soundcards installed in the system
!!--------------------------------------
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
!!Advanced information - PCI Vendor/Device/Subsystem ID’s
!!-------------------------------------------------------
00:1b.0 0403: 8086:1e20 (rev 04)
Subsystem: 1025:075f
!!Loaded sound module options
!!---------------------------
!!ALSA Device nodes
!!-----------------
!!Aplay/Arecord output
!!--------------------
APLAY