I have tried every thing I know, the draw is empty,the machine loads up,lovely blue screen,then icons in left side of screen then Jaws blue flag, no sound at all, I may have to waylay a stranger if I cannot get sound back,this old laptop is still going thank god it is a toshiba,solid and withstood a lotof knocks, well oneof you asked for a good make itis not light however, is why I puton a tea trolley and have a full keyboard pluggedin,I can putkeyboardon lower shelf and push around house,best to turn off first, also do not use laptop in a garden hammock I am going to try and get help,not even a tandem link up can fix if muted I have to be able to type in a code,I must find a permanent fix for the problemof desktop muting,2 times this year dorothy