as soon as i started minecraft on a toshiba lap top there whould be no sound evrey now and then but after the update i thought it all ready be reported but i guess not update 1.4.4

as soon as i started minecraft on a toshiba lap top there whould be no sound evrey now and then but after the update i thought it all ready be reported but i guess not update 1.4.4

What I expected to happen was...:
that thered be sound

What actually happened was...:
there was none at all but every now and then there be sound just won't play

Steps to Reproduce:
1. start and play minecraft on a toshiba youll notice the sound issue on a fraction of 1/3