Start by pulling up on the lip, highlighted in Red. This will be at the back of the computer.

Once the back has been lifted up, begin lifting up at the orange side on the left. This will be right next to the back we just pulled up. The right side should come loose at this time; pull up on it as well

Lift and pull on the yellow edge, on the opposite side of the first part we pulled up on. Once this is removed, lift the panel off the computer.