Acer Altos R920 Series - Manual (Page 62)

3 System upgrade 44
To install the top cover:
1 Perform the pre-installation instructions described on page 39.
2 Place the top cover on the chassis so that the tabs on the cover
align with the slots on the chassis (A).
3 Slide the top cover toward the front of the chassis until it is fully
closed.
4 Tighten the captive screws on the faceplate of the chassis (B).
B
A