Assalam o alekum!
mayn ney windows vista instal ki hey is mayn audio device instal nahi. speaker icon per red cross hey NO AUDIO OUTPUT DEVICE likha howa hota hey.device manager mayn bhi aisa kuch nazar nahi ata, mujh ko yeh bhi maloom nahi k software konsa instal kerna hey, shayed yamaha ka sound card hey, ab iss ko kis tarha instal kia jayey takey voice ka problem solve ho sakey