I have install slack 9.1 to my labtop (Datron Aero) and yesterday ı uninstaled 9.1 and instaled 10.0. But ı cant hear any sound. When ı run alsaconf ı see that alsa can configure my soundcard (Ali M5455) and no error message displayed when ı run the xmms or other. ı run the lsmod and it's look like

Module Size Used by Not tainted
snd-pcm-oss 37736 0 (unused)
snd-mixer-oss 12504 0 [snd-pcm-oss]
snd-intel8x0 18924 1
snd-ac97-codec 49500 0 [snd-intel8x0]
gameport 1420 0 [snd-intel8x0]
snd-pcm 56072 1 [snd-pcm-oss snd-intel8x0]
snd-timer 13604 0 [snd-pcm]
snd-page-alloc 6328 0 [snd-intel8x0 snd-pcm]
snd-mpu401-uart 3200 0 [snd-intel8x0]
snd-rawmidi 12740 0 [snd-mpu401-uart]
snd-seq-device 3888 0 [snd-rawmidi]
snd 30852 0 [snd-pcm-oss snd-mixer-oss snd-intel8x0 snd-ac97-codec snd-pcm snd-timer snd-mpu401-uart snd-rawmidi snd-seq-device]
soundcore 3396 4 [snd]
ohci1394 24112 0 (unused)
ieee1394 42276 0 [ohci1394]
8139too 14376 1
mii 2272 0 [8139too]
crc32 2880 0 [8139too]
usb-ohci 19240 0 (unused)
ehci-hcd 17580 0 (unused)
usbcore 59308 1 [usb-ohci ehci-hcd]
ds 6548 2
yenta_socket 10336 2
pcmcia_core 39972 0 [ds yenta_socket]
ide-scsi 9328 0

please help me...

Have you tried running your mixer software to check if the sound is not muted. Run "alsamixer" at the command line, check the settings and adjust the levels or unmute if necessary.

yes certainly, i tried alsamixer and no problem seemed.