A little long, but worth watching. Pay special attention to the starting position of the deadlift.

The deadlift is not a squat. Your hips must be much higher in the starting position of the deadlift. How high depends on the length of your limbs, but they should never be below your knees like when hitting below parallel on the squat. Your hips shouldn’t be too high either because then you’d be doing stiff-legged Deadlifts and you have better leverages (more weight) with conventional Deadlifts.

(The hips are slightly lower in the clean, but not by much. The hips always come up right before the lift making the deadlift and clean almost equal in hip position.)