My Laptop to TV connection via S VIDEO to RCA gives the everything in BLACK and WHITE and i get no SOUND from playing videos. laptop is a Fujitsu LIFEBOOK C1320 and has a 7 PIN svideo port. I am using a 4 pin SVIDEO to 2 RCA cable. is the problem with the diff in pins ( 7 & 4) or do i need some drives for colour and sound.