Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 84

5. Remove any screws that secure the computer cover. 6. Press the cover-release button on the side of the computer and slide the cover to the rear of the computer to remove the cover. Figure 6. Removing the computer cover Removing and reinstalling the front bezel Attention: 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://support.lenovo.com This section provides instructions on how to remove and reinstall the front bezel. To remove and reinstall the front bezel, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See "Removing the computer cover" on page 79. 80 ThinkCentre Hardware Maintenance Manual