Lenovo ThinkCentre Edge 71 1577 User Manual page 48

6. 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 memory
module out of the memory slot.
Figure 15. Removing a memory module
• If you are installing a memory module, open the retaining clips of the memory slot into which you
want to install the memory module.
Figure 16. Opening the retaining clips
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ThinkCentre User Guide