Problème de réglage du son

Bonjour à tous,
Je viens de terminer l'installation d'une Debian Sarge sur mon PC portable
(Packard Bell EasyNote K5245) et je n'arrive pas à règler le volume sonore.. Il
semble etre regle au minimun et si je veux l'augnmenter j'ai le message d'erreur
suivant:
Sorry, no mixer elements and/or devices found

J'ai cherche sur Google mais je n'ai rien trouvé qui résolve mon problème.

Pour info je vous donne ce que me renvoie un lsmod et un ls pci
Merci d'avance

Cyril


portable:~# lsmod
Module Size Used by
battery 9388 0
freq_table 4228 0
processor 17264 0
snd_pcm_oss 55048 0
ide_cd 42656 0
cdrom 40732 1 ide_cd
ipv6 264612 6
snd_mixer_oss 20096 1 snd_pcm_oss
aes_i586 39188 1
airo_cs 7588 1
airo 74272 1 airo_cs
ds 18756 3 airo_cs
lp 11176 0
af_packet 22600 2
yenta_socket 21728 1
pcmcia_core 70900 3 airo_cs,ds,yenta_socket
sis900 20612 0
ehci_hcd 32004 0
usbhid 32192 0
ohci_hcd 21764 0
snd_intel8x0 36460 0
snd_ac97_codec 70020 1 snd_intel8x0
snd_pcm 98728 2 snd_pcm_oss,snd_intel8x0
snd_timer 25668 1 snd_pcm
snd_page_alloc 11752 2 snd_intel8x0,snd_pcm
gameport 4704 1 snd_intel8x0
snd_mpu401_uart 7968 1 snd_intel8x0
snd_rawmidi 25156 1 snd_mpu401_uart
snd_seq_device 8200 1 snd_rawmidi
snd 57156 9
snd_pcm_oss,snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
i810_audio 37588 1
ac97_codec 18956 1 i810_audio
soundcore 10336 3 snd,i810_audio
eth1394 21576 0
ohci1394 35524 0
ieee1394 111512 2 eth1394,ohci1394
pci_hotplug 34640 0
sis_agp 8196 1
agpgart 34696 1 sis_agp
parport_pc 35392 1
parport 41832 2 lp,parport_pc
irtty_sir 9152 0
sir_dev 19244 1 irtty_sir
irda 197120 2 irtty_sir,sir_dev
crc_ccitt 2144 1 irda
tsdev 7392 0
mousedev 10476 1
joydev 9984 0
psmouse 20360 0
pcspkr 3592 0
evdev 9600 0
dm_mod 59772 0
capability 4520 0
commoncap 7232 1 capability
8139too 26112 0
mii 5120 1 8139too
crc32 4320 2 sis900,8139too
usbkbd 7424 0
usbcore 119012 6 ehci_hcd,usbhid,ohci_hcd,usbkbd
rtc 12760 0
ext3 127240 1
jbd 62616 1 ext3
mbcache 9348 1 ext3
ide_generic 1408 0
sis5513 17000 1
ide_disk 19296 3
ide_core 139940 4 ide_cd,ide_generic,sis5513,ide_disk
sd_mod 21696 0
ata_piix 8164 0
libata 41604 1 ata_piix
scsi_mod 125196 2 sd_mod,libata
unix 28692 501
font 8320 0
vesafb 6656 0
cfbcopyarea 3840 1 vesafb
cfbimgblt 3040 1 vesafb
cfbfillrect 3776 1 vesafb


portable:~# lspci
0000:00:00.0 Host bridge: Silicon Integrated Systems [SiS] SiS645DX Host &
Memory & AGP Controller (rev 01)
0000:00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI
bridge (AGP)
0000:00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS962 [MuTIOL Media
IO] (rev 14)
0000:00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016
0000:00:02.3 FireWire (IEEE 1394): Silicon Integrated Systems [SiS] FireWire
Controller
0000:00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
0000:00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev
a0)
0000:00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] Sound
Controller (rev a0)
0000:00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller
(rev 0f)
0000:00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller
(rev 0f)
0000:00:03.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller
(rev 0f)
0000:00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0
Controller0000:00:04.0 Ethernet controller: Silicon Integrated Systems [SiS]
SiS900 PCI Fast Ethernet (rev 90)
0000:00:09.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus
Controller (rev 02)
0000:01:00.0 VGA compatible controller: nVidia Corporation NV17 [GeForce4 440 Go
64M] (rev a3)

M


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