Lenovo SE350 Configuration & Installation Manual page 20

6.
Align the node with the node sleeve and slide the node into place; then, fasten the two thumbscrews.
7.
Connect the cables if necessary.
8.
Carefully insert the tab on the security bezel into the slot; then, pivot the security bezel inward until the other side clicks into place.
9.
Use the key to lock the security bezel.
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