Did not match sound driver of Sharp laptop model...

Question

Dear SirThis is Sumon from Bangladesh, Few days age I have buy a old hardware of Sharp laptop model no PC MJ 120K from a person but he did not give me no driver I have collect some driver but I cannot collect sound driver, I am trying to install some sound driver but that driver did not match may laptop. Pls give me suggestion how do I install sound driver at my laptop. Or where I get sound driver for download