6. Locate the memory slots. See “Locating parts on the system board” on page 80.7. Pivot the drive bay assembly upward to access all the internal drives, cables, and other components.Figure75. Pivoting the drive bay assembly upward8. Depending on your computer model, you might need to remove the PCI Express x16 graphics card foreasier access to the memory slots. See “Installing or replacing a PCI Express card” on page 139.9. Depending on whether you are installing or replacing a memory module, do one of the following:• If you are replacing an old memory module, open the retaining clips and gently pull the memorymodule out of the memory slot.Figure76. Removing a memory module142 ThinkCentre M73 Hardware Maintenance Manual