Acer TravelMate 220 - nejde zvukovka

[Majkhii]

Dobry den,
takze zacneme u chybovych hlaseni...

dmesg:
AC97' 0 does not respond - RESET
AC97' 0 access is not valid [0xffffffff], removing mixer

cat /proc/asound/cards:
--- no soundcards ---

nevim co s tim...nevim kde je chyba...zvuk proste nechce jit...