hola a todos yo tengo el mismo problema, me dice alsa que no hay tarjeta de sonido pero si le hago un lspci alli esta, ya he hecho varias cosas que he encontrado en google pero nada, sigo sin tener sonido en la laptop les paso mis datos de hardware.
sudo cat /proc/asound/cards
--- no soundcards ---
kingdsand@w4rl0ck ~$ sudo cat /proc/asound/modules
sudo aplay -l
aplay: device_list:252: no soundcards found...
lspci -v |grep -A 8 -i audio
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
Subsystem: Hewlett-Packard Company Device 1818
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at d4610000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=07, subordinate=07, sec-latency=0
sudo cat /proc/version
Linux version 3.2.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-14) ) #1 SMP Debian 3.2.51-1
sudo cat /proc/asound/cards
--- no soundcards ---
kingdsand@w4rl0ck ~$ sudo cat /proc/asound/modules
sudo aplay -l
aplay: device_list:252: no soundcards found...
lspci -v |grep -A 8 -i audio
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
Subsystem: Hewlett-Packard Company Device 1818
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at d4610000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=07, subordinate=07, sec-latency=0
sudo cat /proc/version
Linux version 3.2.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-14) ) #1 SMP Debian 3.2.51-1