Lenovo ThinkCentre M57p - Manual (Page 42)

2. Pivot the drive-bay assembly upward to gain access to the system board.
3. Locate the memory connectors. See “Identifying parts on the system board” on
page 9.
4. Remove the memory module being replaced by opening the retaining clips as
shown. See Figure 30.
Figure 30. Removing the memory module
34 ThinkCentre Hardware Installation and Replacement Guide