Acer AT350 F2 Series Service Manual page 43

Installing the side panel
1 Observe the pre-installation instructions described on page 26.
2 Position the side panel so that the tabs on the cover align with the slots
on the chassis (1), then slide the side panel toward the front of the
chassis until you hear a click sound (2).
3 Secure the side panel to the chassis using two screws (3).
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