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Mi scuso anticipatamente perchè ho visto che di topic sulla scheda audio alc888 ne esistono molti, io ho provato mille soluzioni ma davvero non ci riesco a farla funzionare, avrei bisogno di essere guidato passo passo inquanto uso ubuntu da meno di un mese.
Grazie

Posta i risultati di: (digita in un terminale) se hai un laptop, marca modello e Che distro/versione utilizzi?

Ciao, grazie per l'aiuto,eccoti i risultati
1
lspci
00:00.0 Host bridge: Intel Corporation 82P965/G965 Memory Controller Hub (rev 02)
00:01.0 PCI bridge: Intel Corporation 82P965/G965 PCI Express Root Port (rev 02)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 6 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon X1950 GT
01:00.1 Display controller: ATI Technologies Inc Radeon X1950 GT (Secondary)
03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller (rev 22)
04:00.0 SATA controller: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02)
04:00.1 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02)
05:06.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)
2
cat dev/sndstat
cat: dev/sndstat: Nessun file o directory
3
cat /proc/asound/card0/codec#* | grep Codec
cat: /proc/asound/card0/codec#*: Nessun file o directory

la mia versione è Ubuntu 8.04, Hardy Heron,  ed il mio pc è un fisso assemblato da me.
aspetto con ansia notizie, ciao.

Mi scuso anticipatamente perchè ho visto che di topic sulla scheda audio alc888 ne esistono molti, io ho provato mille soluzioni ma davvero non ci riesco a farla funzionare..

Questo perchè la scheda audio integrata non ti viene riconosciuta!
Ed anche per questo che il secondo e terzo comando non restituiscono output.
posta i risultati di: Controlla nel bios che la scheda sia abilitata.

1 lspci -v | grep -i audio    la  risposta è  vuota, nulla, niente, come se non avessi digitato nulla

2 lspci -v
00:00.0 Host bridge: Intel Corporation 82P965/G965 Memory Controller Hub (rev 02)
Subsystem: Giga-byte Technology Unknown device 5000
Flags: bus master, fast devsel, latency 0
Capabilities:

00:01.0 PCI bridge: Intel Corporation 82P965/G965 PCI Express Root Port (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00008000-00008fff
Memory behind bridge: f4000000-f5ffffff
Prefetchable memory behind bridge: 00000000e0000000-00000000efffffff
Capabilities:

00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02) (prog-if 00 [UHCI])
Subsystem: Giga-byte Technology Unknown device 5004
Flags: bus master, medium devsel, latency 0, IRQ 16
I/O ports at c000

00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02) (prog-if 00 [UHCI])
Subsystem: Giga-byte Technology Unknown device 5004
Flags: bus master, medium devsel, latency 0, IRQ 18
I/O ports at c400

00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02) (prog-if 20 [EHCI])
Subsystem: Giga-byte Technology Unknown device 5006
Flags: bus master, medium devsel, latency 0, IRQ 21
Memory at f8201000 (32-bit, non-prefetchable) [size=1K]
Capabilities:

00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 00007000-00007fff
Capabilities:

00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 00009000-00009fff
Memory behind bridge: f6000000-f7ffffff
Prefetchable memory behind bridge: 0000000080000000-00000000800fffff
Capabilities:

00:1c.5 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 6 (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: 0000a000-0000bfff
Memory behind bridge: f8000000-f80fffff
Capabilities:

00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02) (prog-if 00 [UHCI])
Subsystem: Giga-byte Technology Unknown device 5004
Flags: bus master, medium devsel, latency 0, IRQ 19
I/O ports at c800

00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02) (prog-if 00 [UHCI])
Subsystem: Giga-byte Technology Unknown device 5004
Flags: bus master, medium devsel, latency 0, IRQ 20
I/O ports at cc00

00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02) (prog-if 00 [UHCI])
Subsystem: Giga-byte Technology Unknown device 5004
Flags: bus master, medium devsel, latency 0, IRQ 21
I/O ports at d000

00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02) (prog-if 20 [EHCI])
Subsystem: Giga-byte Technology Unknown device 5006
Flags: bus master, medium devsel, latency 0, IRQ 19
Memory at f8200000 (32-bit, non-prefetchable) [size=1K]
Capabilities:

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2) (prog-if 01 [Subtractive decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=05, subordinate=05, sec-latency=32
Memory behind bridge: f8100000-f81fffff
Capabilities:

00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02)
Subsystem: Giga-byte Technology Unknown device 5001
Flags: bus master, medium devsel, latency 0
Capabilities:

00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Giga-byte Technology Unknown device b002
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 20
I/O ports at 01f0
I/O ports at 03f4
I/O ports at 0170
I/O ports at 0374
I/O ports at f000
I/O ports at fc00 [size=16]
Capabilities:

00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
Subsystem: Giga-byte Technology Unknown device 5001
Flags: medium devsel, IRQ 3
Memory at f8202000 (32-bit, non-prefetchable) [size=256]
I/O ports at 0500 [size=32]

00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02) (prog-if 85 [Master SecO PriO])
Subsystem: Giga-byte Technology Unknown device b002
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 20
I/O ports at d800 [size=8]
I/O ports at dc00 [size=4]
I/O ports at e000 [size=8]
I/O ports at e400 [size=4]
I/O ports at e800 [size=16]
I/O ports at ec00 [size=16]
Capabilities:

01:00.0 VGA compatible controller: ATI Technologies Inc Radeon X1950 GT (prog-if 00 [VGA controller])
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f5000000 (64-bit, non-prefetchable) [size=64K]
I/O ports at 8000 [size=256]
[virtual] Expansion ROM at f4000000 [disabled] [size=128K]
Capabilities:

01:00.1 Display controller: ATI Technologies Inc Radeon X1950 GT (Secondary)
Flags: bus master, fast devsel, latency 0
Memory at f5010000 (64-bit, non-prefetchable) [size=64K]
Capabilities:

03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller (rev 22)
Subsystem: Giga-byte Technology Marvell 88E8053 Gigabit Ethernet Controller (Gigabyte)
Flags: bus master, fast devsel, latency 0, IRQ 219
Memory at f7000000 (64-bit, non-prefetchable) [size=16K]
I/O ports at 9000 [size=256]
[virtual] Expansion ROM at 80000000 [disabled] [size=128K]
Capabilities:

04:00.0 SATA controller: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02) (prog-if 01 [AHCI 1.0])
Subsystem: Giga-byte Technology Unknown device b000
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f8000000 (32-bit, non-prefetchable) [size=8K]
Capabilities:

04:00.1 IDE interface: JMicron Technologies, Inc. JMicron 20360/20363 AHCI Controller (rev 02) (prog-if 85 [Master SecO PriO])
Subsystem: Giga-byte Technology Unknown device b000
Flags: bus master, fast devsel, latency 0, IRQ 21
I/O ports at a000 [size=8]
I/O ports at a400 [size=4]
I/O ports at a800 [size=8]
I/O ports at ac00 [size=4]
I/O ports at b000 [size=16]
Capabilities:

05:06.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link) (prog-if 10 [OHCI])
Subsystem: Giga-byte Technology Unknown device 1000
Flags: bus master, medium devsel, latency 32, IRQ 21
Memory at f8104000 (32-bit, non-prefetchable) [size=2K]
Memory at f8100000 (32-bit, non-prefetchable) [size=16K]
Capabilities:
aiutoooooooo !!!!

Mha! il sistema non tela riconosce.
Prova a dare e vedi se riesci a configurarla.

Come sai che il chip della tua scheda integrata è un alc888?

se dai cosa succede?

alsamixer -c 0
wrong -c argument '0'

se clicco sul volume appare :

Non è stato trovato alcun plug-in di GStreamer o dispositivo per la regolazione del volume.

Ubuntizzato804 ha scritto: se clicco sul volume appare :

Non è stato trovato alcun plug-in di GStreamer o dispositivo per la regolazione del volume.

Questo significa che hai problemi con i driver alsa.
Anche se è strano che non ti venga riconosciuta.

Ricompila i driver con module-assistant
riavvia

ok sta terminando le operazioni, poi riavvio e ti faccio sapere

ora mi appare

module-assistant, interactive mode ├─────────────┐
      │ Build of the package alsa-source failed! How do you wish to  │
      │ proceed?                                                 

non ho ancora riavviato, che faccio?

Ubuntizzato804 ha scritto: ora mi appare

module-assistant, interactive mode ├─────────────┐
      │ Build of the package alsa-source failed! How do you wish to  │
      │ proceed?                                                 

non ho ancora riavviato, che faccio?

Interrompi.
E rifai la procedura.

grazie a tutti per il loro aiuto ma mi arrendo, non fa per me, ho montato una sound blaster live che avevo in casa e l'ha riconosciuta subito, va bene così, grazie ancora e ciao