Lenovo ThinkCentre M80 Hardware Maintenance Manual page 122

6. Do one of the following:
• If you are replacing a memory module, open the retaining clips and remove the old memory module
that is currently installed.
Figure 48. Removing the 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 49. Opening the retaining clips of the memory slot
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ThinkCentre Hardware Maintenance Manual