Removing and reinstalling the front bezel - ThinkCentre M81 (type 0268, 1730, 4166, 4169, 5030, 5048, 5069, 7517)
Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support
This section provides instructions on how to remove and reinstall the front bezel.
To remove and reinstall the front bezel, do the following:
Turn off the computer and disconnect all power cords from electrical outlets.
Remove the front bezel by releasing the three plastic tabs on the left side and pivoting the front bezel outward.
Figure 1. Removing the front bezel
To reinstall the front bezel, align the three plastic tabs on the right side of the front bezel with the corresponding holes in the chassis, then pivot the front bezel inwards until it snaps into position on the left side.