Water Damage - diagnose SSD or Logic Board fault
I've been given a Macbook Pro 13" Retina that had water damage (something, not sure what, was spilt on the keyboard). It was about a year ago, and everything is working but the SSD - I'm just running everything off an external drive for now. The disk (physical disk, not drive) doesn't even appear in disk utility or in system profiler - I can't find any reference to it.
Does anyone know how to isolate whether it's the SSD or the SSD connector on the logic board that's at fault? Which is more probable? I'm guessing just finding another, known working SSD and trying it in there would be the easiest, but it'd be great if there were a quicker / potentially cheaper way.
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