Hi, Long story short my macbook is out of warranty and the hard drive failed (according to apple themselves). They said all that was required was a straight hard drive swap but would cost £110. I bought a hard drive myself and went to replace it however when I start up the macbook it cannot see the new hard drive? The hard drive I purchased is a Samsung st500lm012 and it said it was compatible with my MacBook. From looking at the hard drive itself I notice it seems have some sort of connector which the MacBook cable doesnt have a connection for. On the picture it's the one at the far left. Have I bought the wrong hard drive? Thanks!