My voice on Lenovo G580 laptop is all suddenly lost

One day i suddenly opened my laptop and all the sound was gone checked if it was on mute wasn't went to device manager nothing… Please help me can't listen to music or watch any movies.

Try to restart your computer, see if that helps. Lenovo makes excellent machines, it's a shock something like this has happened. Go to this site and install the drivers you need. http://support.lenovo.com/...fault.page if this doesn't or can't find the driver you need then i don't know what to tell you.

Simple, your laptop is broken, buy a new one.