holyweed

hello....i have an alienware m17 r3....last year i installed gtx 780m succesfully......my laptop worked perfectly. after a format/clean install of windows i do all of these things... my gtx 780m works and i have sound too but if i click the sound icon my laptop freezes and i get a yellow screen. (the buttons over the keyboard with sound works fine) what i need to do? sorry for my bad english!

iron maiden i'm running free !!!