HP Slate 21 Pro-All-in-One-PC - Manual (Page 14)

2. Lift and rotate the stand until it is positioned straight up so you can access the screw that
secures the stand to the all-in-one.
3. Remove the two screws that secure the stand to the all-in-one (1), and then lift up the bottom of
the stand slightly and remove it from the all-in one (2).
6 Chapter 2 Setting up the hardware