sound not working on youtube
so im busy trying to watch videos on youtube and halfway through on vid. the sound stopped so i went to a different video and it still want working so i went to my iTunes to see if my sound simply was not working (itt worked) then went to youtube, did not work/
HELP ME CHILDREN,,
I NEED TO WATCH A VERY POTTER MUSICAL
iMac (20-inch Early 2008), OS X Yosemite (10.10.3)