HP Slate 21 Pro-All-in-One-PC - Manual (Page 19)

8. Replace the cable cover on the rear of the all-in-one by sliding the tabs on the top of the cover
into the slots on the top of the cable connection recess (1) then rotate the cover down and snap
into the recess (2) so that it is securely fastened to the rear of the all-in-one.
Adjusting the tilt
For optimal viewing, adjust the screen tilt to your own preference.
1. Face the rear of the all-in-one and hold it so that you do not topple it while changing the tilt.
2. Without touching the screen, adjust the tilt by rotating the stand up and down.
Adjusting the tilt 11