My laptop is broken, Lenovo after-sales said that the motherboard is burned, said the hard disk is badly damaged resulting in the motherboard burned, to replace the hard disk motherboard and the keyboard, the One, the hard disk can physically damage the motherboard is generally the case of your hard disk has a more specific problem, such as hard disk motor burned out leading to power supply short circuit and so on this almost never happens.

Two, in addition, now the motherboard generally have short-circuit protection, there is a short-circuit occurs will instantly power off.

So it's unlikely that a hard drive will cause damage to the motherboard.