Lenovo IdeaCentre A320 Hardware Maintenance Manual page 45

2. Install the two screws to secure the plastic bracket.
Note
Use only the screws provided by Lenovo.
Note 2
Replacement of some models equipped with graphic adapter
bracket is different.
Please remove the bracket first as the following:
1. Remove the screw that secures the bracket at the side of the chassis.
Chapter 7. Replacing hardware
43