The microphone disabled and no command to ...

it is toshiba laptop qosmio G55-Q801
while I start record a music online thru voice recorder , I found out that my voice is joined the recording.. so I disable the microphone, I tried to record music nline again it gives me there id no recording supported or disabled.. when i go aain to sound properties there is no order to enable it , it just vanished ... what should I do???? you know it is vista version which I am new user of it even i am well experienced in xp .... I hate vista