[help] driver sound ga ke detect di ubuntu lucid

[Asalvo]

gan ane baru ganti ubuntu ane dari natty ke lucid



pas baru abis di install soundnya udah ga ada



ane ketik : aplay -l

aplay: device_list:223: no soundcards found...



soundcards nya ga ada.



plese mohon bantuannya gan



nih spek driver ane di lspci



00:1b.0 Audio device: Intel Corporation Cougar Point High Definition Audio Controller (rev 04)



laptop ane acer aspire 4750